diff --git a/man/homes.Rd b/man/homes.Rd
new file mode 100644
index 0000000..3c92e4c
--- /dev/null
+++ b/man/homes.Rd
@@ -0,0 +1,31 @@
+\name{homes}
+\alias{homes}
+\docType{data}
+\title{
+Home Data
+}
+\description{
+Obs: 219, monthly from January, 1992 to March, 2010
+}
+\usage{data("homes")}
+\format{
+  A data frame with 219 observations on the following 2 variables.
+  \describe{
+    \item{\code{homes}}{New one-family houses sold in the U.S. in thousands}
+    \item{\code{irate}}{30 year conventional mortgage rate}
+  }
+}
+\details{
+%%  ~~ If necessary, more details than the __description__ above ~~
+}
+\source{
+http://principlesofeconometrics.com/poe4/poe4.htm
+}
+\references{
+%%  ~~ possibly secondary sources and usages ~~
+}
+\examples{
+data(homes)
+## maybe str(homes) ; plot(homes) ...
+}
+\keyword{datasets}
diff --git a/man/hwage.Rd b/man/hwage.Rd
new file mode 100644
index 0000000..5db1cab
--- /dev/null
+++ b/man/hwage.Rd
@@ -0,0 +1,40 @@
+\name{hwage}
+\alias{hwage}
+\docType{data}
+\title{
+Hwage Data
+}
+\description{
+obs:  753  households
+}
+\usage{data("hwage")}
+\format{
+  A data frame with 753 observations on the following 4 variables.
+  \describe{
+    \item{\code{hw}}{husband’s wage in 2006 dollars}
+    \item{\code{he}}{husband’s education attainment in years}
+    \item{\code{ha}}{husband’s age}
+    \item{\code{cit}}{a variable equal to 1 if living in a large city, otherwise 0}
+  }
+}
+\details{
+hese variables are a subset of those used by Mroz in his study of female
+labor force participation.  To convert husband's wage to 2006 dollars the
+original observations on HW have been multiplied by 3.78.
+}
+\source{
+http://principlesofeconometrics.com/poe4/poe4.htm
+}
+\references{
+THE MROZ DATA FILE IS TAKEN FROM THE 1976 PANEL STUDY OF INCOME
+DYNAMICS, AND IS BASED ON DATA FOR THE PREVIOUS YEAR, 1975.  OF THE 753
+OBSERVATIONS, THE FIRST 428 ARE FOR WOMEN WITH POSITIVE HOURS
+WORKED IN 1975, WHILE THE REMAINING 325 OBSERVATIONS ARE FOR WOMEN
+WHO DID NOT WORK FOR PAY IN 1975.  A MORE COMPLETE DISCUSSION OF THE
+DATA IS FOUND IN MROZ [1987], APPENDIX 1.
+}
+\examples{
+data(hwage)
+## maybe str(hwage) ; plot(hwage) ...
+}
+\keyword{datasets}
diff --git a/man/infln_wage.Rd b/man/infln_wage.Rd
new file mode 100644
index 0000000..909e858
--- /dev/null
+++ b/man/infln_wage.Rd
@@ -0,0 +1,40 @@
+\name{infln_wage}
+\alias{infln_wage}
+\docType{data}
+\title{
+Infln_wage Data
+}
+\description{
+Obs: 160, quarterly (1970Q2 - 2010Q1)
+}
+\usage{data("infln_wage")}
+\format{
+  A data frame with 160 observations on the following 2 variables.
+  \describe{
+    \item{\code{inf}}{Inflation = Percentage change in the Consumer Price Index}
+    \item{\code{wgwth}}{Percentage change in average hourly earnings for
+				all private industries}
+  }
+}
+\details{
+Monthly observations on the Seasonally Adjusted Consumer Price
+		Index For All Urban Consumers (All Items) were averaged to get
+		quarterly data. Then the percentage change in the quarterly data
+		was obtained and rounded to 2 decimal places.
+
+Seasonally adjusted monthly observations on average hourly earnings
+		were averaged to get quarterly data. Then the percentage change
+		in the quarterly data was obtained and rounded to 2 decimal places.
+
+}
+\source{
+http://principlesofeconometrics.com/poe4/poe4.htm
+}
+\references{
+Federal Reserve Bank of St Louis
+}
+\examples{
+data(infln_wage)
+## maybe str(infln_wage) ; plot(infln_wage) ...
+}
+\keyword{datasets}
diff --git a/man/insur.Rd b/man/insur.Rd
new file mode 100644
index 0000000..fbbf7cc
--- /dev/null
+++ b/man/insur.Rd
@@ -0,0 +1,31 @@
+\name{insur}
+\alias{insur}
+\docType{data}
+\title{
+Insur Data
+}
+\description{
+Obs:   20 households
+}
+\usage{data("insur")}
+\format{
+  A data frame with 20 observations on the following 2 variables.
+  \describe{
+    \item{\code{insurance}}{thousands of dollars }
+    \item{\code{income}}{thousands of dollars }
+  }
+}
+\details{
+%%  ~~ If necessary, more details than the __description__ above ~~
+}
+\source{
+http://principlesofeconometrics.com/poe4/poe4.htm
+}
+\references{
+%%  ~~ possibly secondary sources and usages ~~
+}
+\examples{
+data(insur)
+## maybe str(insur) ; plot(insur) ...
+}
+\keyword{datasets}
diff --git a/man/inter2.Rd b/man/inter2.Rd
new file mode 100644
index 0000000..763cc73
--- /dev/null
+++ b/man/inter2.Rd
@@ -0,0 +1,31 @@
+\name{inter2}
+\alias{inter2}
+\docType{data}
+\title{
+Inter2 Data
+}
+\description{
+Obs: 300
+}
+\usage{data("inter2")}
+\format{
+  A data frame with 300 observations on the following variable.
+  \describe{
+    \item{\code{y}}{a numeric vector}
+  }
+}
+\details{
+%%  ~~ If necessary, more details than the __description__ above ~~
+}
+\source{
+http://principlesofeconometrics.com/poe4/poe4.htm
+}
+\references{
+Source: generated time series data
+
+}
+\examples{
+data(inter2)
+## maybe str(inter2) ; plot(inter2) ...
+}
+\keyword{datasets}
diff --git a/man/ivreg1.Rd b/man/ivreg1.Rd
new file mode 100644
index 0000000..cb68074
--- /dev/null
+++ b/man/ivreg1.Rd
@@ -0,0 +1,31 @@
+\name{ivreg1}
+\alias{ivreg1}
+\docType{data}
+\title{
+Ivreg1 Data
+}
+\description{
+Obs:   25 observations artificially generated
+}
+\usage{data("ivreg1")}
+\format{
+  A data frame with 25 observations on the following 2 variables.
+  \describe{
+    \item{\code{x}}{a numeric vector}
+    \item{\code{e}}{a numeric vector}
+  }
+}
+\details{
+%%  ~~ If necessary, more details than the __description__ above ~~
+}
+\source{
+http://principlesofeconometrics.com/poe4/poe4.htm
+}
+\references{
+%%  ~~ possibly secondary sources and usages ~~
+}
+\examples{
+data(ivreg1)
+## maybe str(ivreg1) ; plot(ivreg1) ...
+}
+\keyword{datasets}
diff --git a/man/kernel.Rd b/man/kernel.Rd
new file mode 100644
index 0000000..db29ee3
--- /dev/null
+++ b/man/kernel.Rd
@@ -0,0 +1,33 @@
+\name{kernel}
+\alias{kernel}
+\docType{data}
+\title{
+Kernel Data
+}
+\description{
+Obs: 500
+}
+\usage{data("kernel")}
+\format{
+  A data frame with 500 observations on the following 2 variables.
+  \describe{
+    \item{\code{x}}{a numeric vector}
+    \item{\code{y}}{a numeric vector}
+  }
+}
+\details{
+x are drawings from a normal distibution with mean 7 and standard deviation 1.5;
+
+ y are drawings from a mixture of normal distibutions; one with mean 9 and standard deviation 0.5  and the other with mean 5 and standard deviation 1.
+}
+\source{
+http://principlesofeconometrics.com/poe4/poe4.htm
+}
+\references{
+Source: generated data
+}
+\examples{
+data(kernel)
+## maybe str(kernel) ; plot(kernel) ...
+}
+\keyword{datasets}
diff --git a/man/lasvegas.Rd b/man/lasvegas.Rd
new file mode 100644
index 0000000..cd9eaa6
--- /dev/null
+++ b/man/lasvegas.Rd
@@ -0,0 +1,39 @@
+\name{lasvegas}
+\alias{lasvegas}
+\docType{data}
+\title{
+Las Vegas Data
+}
+\description{
+Obs:   1000 observations from Las Vegas, Nevada, single family dwellings, 2008
+}
+\usage{data("lasvegas")}
+\format{
+  A data frame with 1000 observations on the following 9 variables.
+  \describe{
+    \item{\code{lvr}}{loan amount to value of property, percent}
+    \item{\code{ref}}{= 1 if for a refinance, 0 if for purchase}
+    \item{\code{insur}}{= 1 if borrow has mortage insurance}
+    \item{\code{rate}}{initial interest rate}
+    \item{\code{amount}}{loan amount in $100,000 units}
+    \item{\code{credit}}{credit score}
+    \item{\code{term}}{loan term in years}
+    \item{\code{arm}}{= 1 if adjustable rate mortgage, 0 if fixed}
+    \item{\code{delinquent}}{= 1 if payment late by 90+ days}
+  }
+}
+\details{
+%%  ~~ If necessary, more details than the __description__ above ~~
+}
+\source{
+http://principlesofeconometrics.com/poe4/poe4.htm
+}
+\references{
+Dr. Kelley Pace, Louisiana State University, Department of Finance. We thank
+             Shuang Zhu, Department of Finance for her assistance.
+}
+\examples{
+data(lasvegas)
+## maybe str(lasvegas) ; plot(lasvegas) ...
+}
+\keyword{datasets}
diff --git a/man/liquor.Rd b/man/liquor.Rd
new file mode 100644
index 0000000..919d127
--- /dev/null
+++ b/man/liquor.Rd
@@ -0,0 +1,36 @@
+\name{liquor}
+\alias{liquor}
+\docType{data}
+\title{
+Liquor Data
+}
+\description{
+Obs:   40 households over 3 years
+}
+\usage{data("liquor")}
+\format{
+  A data frame with 40 observations on the following 7 variables.
+  \describe{
+    \item{\code{hh}}{household}
+    \item{\code{l1}}{expenditure on liquor in year 1 (thousands of dollars)}
+    \item{\code{x1}}{income in year 1 (thousands of dollars)}
+    \item{\code{l2}}{expenditure on liquor in year 2 (thousands of dollars)}
+    \item{\code{x2}}{income in year 2 (thousands of dollars)}
+    \item{\code{l3}}{expenditure on liquor in year 3 (thousands of dollars)}
+    \item{\code{x3}}{x3 = income in year 3 (thousands of dollars)}
+  }
+}
+\details{
+%%  ~~ If necessary, more details than the __description__ above ~~
+}
+\source{
+http://principlesofeconometrics.com/poe4/poe4.htm
+}
+\references{
+%%  ~~ possibly secondary sources and usages ~~
+}
+\examples{
+data(liquor)
+## maybe str(liquor) ; plot(liquor) ...
+}
+\keyword{datasets}
diff --git a/man/lon1.Rd b/man/lon1.Rd
new file mode 100644
index 0000000..f050212
--- /dev/null
+++ b/man/lon1.Rd
@@ -0,0 +1,44 @@
+\name{lon1}
+\alias{lon1}
+\docType{data}
+\title{
+Lon1 Data
+}
+\description{
+Obs: 594
+}
+\usage{data("lon1")}
+\format{
+  A data frame with 594 observations on the following 10 variables.
+  \describe{
+    \item{\code{wfood}}{budget share for food expenditure}
+    \item{\code{wfuel}}{budget share for fuel expenditure}
+    \item{\code{wcloth}}{budget share for clothing expenditure}
+    \item{\code{walc}}{budget share for alcohol expenditure}
+    \item{\code{wtrans}}{budget share for transport expenditure}
+    \item{\code{wother}}{budget share for other good expenditure}
+    \item{\code{totexp}}{total household expenditure
+			(rounded to the nearest 10 UK pounds sterling)}
+    \item{\code{income}}{total net household income
+			(rounded to the nearest 10 UK pounds sterling)}
+    \item{\code{age}}{age of household head}
+    \item{\code{nk}}{number of children = 1}
+  }
+}
+\details{
+This is a subsample of london.dat containing only households with 1 child
+}
+\source{
+http://principlesofeconometrics.com/poe4/poe4.htm
+}
+\references{
+The data were used by:
+
+	Richard Blundell, Alan Duncan and Krishna Pendakur, "Semiparametric Estimation and Consumer Demand",
+	Journal of Applied Econometrics, Vol. 13, No. 5, 1998, pp. 435-462
+}
+\examples{
+data(lon1)
+## maybe str(lon1) ; plot(lon1) ...
+}
+\keyword{datasets}
diff --git a/man/lon2.Rd b/man/lon2.Rd
new file mode 100644
index 0000000..ac806a8
--- /dev/null
+++ b/man/lon2.Rd
@@ -0,0 +1,42 @@
+\name{lon2}
+\alias{lon2}
+\docType{data}
+\title{
+Lon2 Data
+}
+\description{
+Obs: 925
+}
+\usage{data("lon2")}
+\format{
+  A data frame with 925 observations on the following 10 variables.
+  \describe{
+    \item{\code{wfood}}{budget share for food expenditure}
+    \item{\code{wfuel}}{budget share for fuel expenditure}
+    \item{\code{wcloth}}{budget share for clothing expenditure}
+    \item{\code{walc}}{budget share for alcohol expenditure}
+    \item{\code{wtrans}}{budget share for transport expenditure}
+    \item{\code{wother}}{budget share for other good expenditure}
+    \item{\code{totexp}}{total household expenditure
+			(rounded to the nearest 10 UK pounds sterling)}
+    \item{\code{income}}{total net household income
+			(rounded to the nearest 10 UK pounds sterling)}
+    \item{\code{age}}{age of household head}
+    \item{\code{nk}}{number of children = 2}
+  }
+}
+\details{
+This is a subsample of london.dat containing only households with 2 children.
+}
+\source{
+http://principlesofeconometrics.com/poe4/poe4.htm
+}
+\references{
+Richard Blundell, Alan Duncan and Krishna Pendakur, "Semiparametric Estimation and Consumer Demand",
+	Journal of Applied Econometrics, Vol. 13, No. 5, 1998, pp. 435-462.
+}
+\examples{
+data(lon2)
+## maybe str(lon2) ; plot(lon2) ...
+}
+\keyword{datasets}
diff --git a/man/lond_small.Rd b/man/lond_small.Rd
new file mode 100644
index 0000000..40bfc4b
--- /dev/null
+++ b/man/lond_small.Rd
@@ -0,0 +1,42 @@
+\name{lond_small}
+\alias{lond_small}
+\docType{data}
+\title{
+Lond_small Data
+}
+\description{
+Obs: 500
+}
+\usage{data("lond_small")}
+\format{
+  A data frame with 500 observations on the following 10 variables.
+  \describe{
+    \item{\code{wfood}}{budget share for food expenditure}
+    \item{\code{wfuel}}{budget share for fuel expenditure}
+    \item{\code{wcloth}}{budget share for clothing expenditure}
+    \item{\code{walc}}{budget share for alcohol expenditure}
+    \item{\code{wtrans}}{budget share for transport expenditure}
+    \item{\code{wother}}{budget share for other good expenditure}
+    \item{\code{totexp}}{total household expenditure
+			(rounded to the nearest 10 UK pounds sterling)}
+    \item{\code{income}}{total net household income
+			(rounded to the nearest 10 UK pounds sterling)}
+    \item{\code{age}}{age of household head}
+    \item{\code{nk}}{number of children}
+  }
+}
+\details{
+This data set is a subset of the data in the bigger file london.dat.
+}
+\source{
+http://principlesofeconometrics.com/poe4/poe4.htm
+}
+\references{
+	Richard Blundell, Alan Duncan and Krishna Pendakur, "Semiparametric Estimation and Consumer Demand",
+	Journal of Applied Econometrics, Vol. 13, No. 5, 1998, pp. 435-462.
+}
+\examples{
+data(lond_small)
+## maybe str(lond_small) ; plot(lond_small) ...
+}
+\keyword{datasets}
diff --git a/man/london.Rd b/man/london.Rd
new file mode 100644
index 0000000..b3b4c17
--- /dev/null
+++ b/man/london.Rd
@@ -0,0 +1,42 @@
+\name{london}
+\alias{london}
+\docType{data}
+\title{
+London Data
+}
+\description{
+Obs: 1519
+}
+\usage{data("london")}
+\format{
+  A data frame with 1519 observations on the following 10 variables.
+  \describe{
+    \item{\code{wfood}}{budget share for food expenditure}
+    \item{\code{wfuel}}{budget share for fuel expenditure}
+    \item{\code{wcloth}}{budget share for clothing expenditure}
+    \item{\code{walc}}{budget share for alcohol expenditure}
+    \item{\code{wtrans}}{budget share for transport expenditure}
+    \item{\code{wother}}{budget share for other good expenditure}
+    \item{\code{totexp}}{total household expenditure
+			(rounded to the nearest 10 UK pounds sterling)}
+    \item{\code{income}}{total net household income
+			(rounded to the nearest 10 UK pounds sterling)}
+    \item{\code{age}}{age of household head}
+    \item{\code{nk}}{number of children}
+  }
+}
+\details{
+%%  ~~ If necessary, more details than the __description__ above ~~
+}
+\source{
+http://principlesofeconometrics.com/poe4/poe4.htm
+}
+\references{
+Richard Blundell, Alan Duncan and Krishna Pendakur, "Semiparametric Estimation and Consumer Demand",
+	Journal of Applied Econometrics, Vol. 13, No. 5, 1998, pp. 435-462
+}
+\examples{
+data(london)
+## maybe str(london) ; plot(london) ...
+}
+\keyword{datasets}
diff --git a/man/manuf.Rd b/man/manuf.Rd
new file mode 100644
index 0000000..e77649f
--- /dev/null
+++ b/man/manuf.Rd
@@ -0,0 +1,33 @@
+\name{manuf}
+\alias{manuf}
+\docType{data}
+\title{
+Manuf Data
+}
+\description{
+Obs:  25 annual observations on aggregate quantities for the U.S. manufacturing sector}
+\usage{data("manuf")}
+\format{
+  A data frame with 25 observations on the following 5 variables.
+  \describe{
+    \item{\code{k}}{an index of capital}
+    \item{\code{l}}{an index of labor}
+    \item{\code{e}}{an index of energy use}
+    \item{\code{m}}{an index of intermediate materials}
+    \item{\code{y}}{an index of output}
+  }
+}
+\details{
+%%  ~~ If necessary, more details than the __description__ above ~~
+}
+\source{
+http://principlesofeconometrics.com/poe4/poe4.htm
+}
+\references{
+%%  ~~ possibly secondary sources and usages ~~
+}
+\examples{
+data(manuf)
+## maybe str(manuf) ; plot(manuf) ...
+}
+\keyword{datasets}
diff --git a/man/mc1.Rd b/man/mc1.Rd
new file mode 100644
index 0000000..2576f9d
--- /dev/null
+++ b/man/mc1.Rd
@@ -0,0 +1,31 @@
+\name{mc1}
+\alias{mc1}
+\docType{data}
+\title{
+mc1 Data
+}
+\description{
+Obs: 40
+}
+\usage{data("mc1")}
+\format{
+  A data frame with 40 observations on the following 2 variables.
+  \describe{
+    \item{\code{x}}{explanatory variable}
+    \item{\code{y}}{dependent variable}
+  }
+}
+\details{
+%%  ~~ If necessary, more details than the __description__ above ~~
+}
+\source{
+http://principlesofeconometrics.com/poe4/poe4.htm
+}
+\references{
+%%  ~~ possibly secondary sources and usages ~~
+}
+\examples{
+data(mc1)
+## maybe str(mc1) ; plot(mc1) ...
+}
+\keyword{datasets}
diff --git a/man/mc2.Rd b/man/mc2.Rd
new file mode 100644
index 0000000..ec37c86
--- /dev/null
+++ b/man/mc2.Rd
@@ -0,0 +1,32 @@
+\name{mc2}
+\alias{mc2}
+\docType{data}
+\title{
+Mc2 Data
+}
+\description{
+Obs: 20
+}
+\usage{data("mc2")}
+\format{
+  A data frame with 20 observations on the following 2 variables.
+  \describe{
+    \item{\code{x}}{x = 10 or 20}
+    \item{\code{y}}{y=100+10x+chisquare(0,2500)
+}
+  }
+}
+\details{
+%%  ~~ If necessary, more details than the __description__ above ~~
+}
+\source{
+http://principlesofeconometrics.com/poe4/poe4.htm
+}
+\references{
+%%  ~~ possibly secondary sources and usages ~~
+}
+\examples{
+data(mc2)
+## maybe str(mc2) ; plot(mc2) ...
+}
+\keyword{datasets}
diff --git a/man/means.Rd b/man/means.Rd
new file mode 100644
index 0000000..c4e912c
--- /dev/null
+++ b/man/means.Rd
@@ -0,0 +1,60 @@
+\name{means}
+\alias{means}
+\docType{data}
+\title{
+Means Data
+}
+\description{
+Obs:   311 cities for 2 years   622
+}
+\usage{data("means")}
+\format{
+  A data frame with 622 observations on the following 31 variables.
+  \describe{
+    \item{\code{cityid}}{city id}
+    \item{\code{cityname}}{city name}
+    \item{\code{d}}{1 for year 2000}
+    \item{\code{izlaw}}{iz law passed 1986-1995}
+    \item{\code{izlaw_d}}{izlaw*d interaction}
+    \item{\code{izyear}}{year city passed policy}
+    \item{\code{avgprice}}{average home price}
+    \item{\code{lnprice}}{log(avgprice)}
+    \item{\code{units}}{# of units}
+    \item{\code{lnunits}}{log(units)}
+    \item{\code{hhlds}}{# of households}
+    \item{\code{lnhhlds}}{log(hhlds)}
+    \item{\code{pop}}{population in 1000s}
+    \item{\code{lpop}}{log(pop)}
+    \item{\code{density}}{people/acre}
+    \item{\code{medhhinc}}{edian household income}
+    \item{\code{lmedhhinc}}{log(medhhinc)}
+    \item{\code{educattain}}{proportion w/college degree}
+    \item{\code{proppoverty}}{proportion below poverty level}
+    \item{\code{meantttw}}{mean travel time to work}
+    \item{\code{prop65}}{proportion >  age 65}
+    \item{\code{dlnprice}}{lnprice[2000]-lnprice[1990]}
+    \item{\code{dlnunits}}{lnunits[2000]-lnunits[1990]}
+    \item{\code{dlmedhhinc}}{lnmedhhinc[2000]-lnmedhhinc[1990]}
+    \item{\code{ddensity}}{density[2000]-density[1990]}
+    \item{\code{deducattain}}{educattain[2000]-educattain[1990]}
+    \item{\code{dproppoverty}}{proppoverty[2000]-proppoverty[1990]}
+    \item{\code{dmeantttw}}{meantttw[2000]-meantttw[1990]}
+    \item{\code{dprop65}}{prop65[2000]-prop65[1990]}
+    \item{\code{dpop}}{pop[2000]-pop[1990]}
+    \item{\code{dlpop}}{lpop[2000]-lpop[1990]}
+  }
+}
+\details{
+%%  ~~ If necessary, more details than the __description__ above ~~
+}
+\source{
+http://principlesofeconometrics.com/poe4/poe4.htm
+}
+\references{
+The authors thank Tom Means for the data and his assitance.
+}
+\examples{
+data(means)
+## maybe str(means) ; plot(means) ...
+}
+\keyword{datasets}
diff --git a/man/metrics.Rd b/man/metrics.Rd
new file mode 100644
index 0000000..29fe84a
--- /dev/null
+++ b/man/metrics.Rd
@@ -0,0 +1,35 @@
+\name{metrics}
+\alias{metrics}
+\docType{data}
+\title{
+Metrics Data
+}
+\description{
+salary gpa metrics female
+
+	Obs:   50 individuals
+}
+\usage{data("metrics")}
+\format{
+  A data frame with 50 observations on the following 4 variables.
+  \describe{
+    \item{\code{salary}}{annual starting salary, $}
+    \item{\code{gpa}}{grade point average on a 4 point scale}
+    \item{\code{metrics}}{=1 if student took econometrics}
+    \item{\code{female}}{=1 if female}
+  }
+}
+\details{
+%%  ~~ If necessary, more details than the __description__ above ~~
+}
+\source{
+http://principlesofeconometrics.com/poe4/poe4.htm
+}
+\references{
+%%  ~~ possibly secondary sources and usages ~~
+}
+\examples{
+data(metrics)
+## maybe str(metrics) ; plot(metrics) ...
+}
+\keyword{datasets}
diff --git a/man/mexican.Rd b/man/mexican.Rd
new file mode 100644
index 0000000..4816032
--- /dev/null
+++ b/man/mexican.Rd
@@ -0,0 +1,43 @@
+\name{mexican}
+\alias{mexican}
+\docType{data}
+\title{
+Mexican Data
+}
+\description{
+obs:  3016
+}
+\usage{data("mexican")}
+\format{
+  A data frame with 3016 observations on the following 13 variables.
+  \describe{
+    \item{\code{id}}{identifier for sex worker; 754 total}
+    \item{\code{trans}}{transaction number; 4 for each sex worker}
+    \item{\code{lnprice}}{logarithm of price of transaction}
+    \item{\code{bar}}{= 1 if transaction originated in a bar; 0 otherwise}
+    \item{\code{street}}{= 1 if transaction originated in a street; 0 otherwise}
+    \item{\code{othersite}}{= 1 if transaction originated in another site; 0 otherwise}
+    \item{\code{nocondom}}{= 1 if a condom was not used; 0 otherwise}
+    \item{\code{attractive}}{1 if the sex worker is attractive; 0 otherwise}
+    \item{\code{school}}{= 1 if sex worker has completed secondary school or higher; 0 otherwise}
+    \item{\code{age}}{age of sex worker in years}
+    \item{\code{rich}}{= 1 if client is rich; 0 otherwise}
+    \item{\code{regular}}{= 1 if client is regular; 0 otherwise}
+    \item{\code{alcohol}}{alcohol  = 1 if client consumed alcohol prior to the transaction}
+  }
+}
+\details{
+%%  ~~ If necessary, more details than the __description__ above ~~
+}
+\source{
+http://principlesofeconometrics.com/poe4/poe4.htm
+}
+\references{
+These data are a subset of those used by Paul Gertler, Manisha Shah and Stefano Bertozzi in their study “Risky Business: The Market for Unprotected Sex”, Journal of Political Economy(2005), 113, 518-550.
+We are grateful to the authors for permission to use their data and to Manisha Shah for compiling the subset used in this exercise.
+}
+\examples{
+data(mexican)
+## maybe str(mexican) ; plot(mexican) ...
+}
+\keyword{datasets}
diff --git a/man/mexico.Rd b/man/mexico.Rd
new file mode 100644
index 0000000..3229bd5
--- /dev/null
+++ b/man/mexico.Rd
@@ -0,0 +1,32 @@
+\name{mexico}
+\alias{mexico}
+\docType{data}
+\title{
+Mexico Data
+}
+\description{
+Obs: 107, quarterly, (1980:1 - 2006.3)
+}
+\usage{data("mexico")}
+\format{
+  A data frame with 107 observations on the following 2 variables.
+  \describe{
+    \item{\code{mexico}}{real GDP of Mexico   (standardised value of 100 in 2000)}
+    \item{\code{usa}}{real GDP of the U.S. (standardised value of 100 in 2000)
+}
+  }
+}
+\details{
+%%  ~~ If necessary, more details than the __description__ above ~~
+}
+\source{
+http://principlesofeconometrics.com/poe4/poe4.htm
+}
+\references{
+International Financial Statistics, International Monetary Fund
+}
+\examples{
+data(mexico)
+## maybe str(mexico) ; plot(mexico) ...
+}
+\keyword{datasets}
diff --git a/man/motel.Rd b/man/motel.Rd
new file mode 100644
index 0000000..175b914
--- /dev/null
+++ b/man/motel.Rd
@@ -0,0 +1,37 @@
+\name{motel}
+\alias{motel}
+\docType{data}
+\title{
+Motel Data
+}
+\description{
+Obs:   25 months
+}
+\usage{data("motel")}
+\format{
+  A data frame with 25 observations on the following 8 variables.
+  \describe{
+    \item{\code{time}}{month, 1=march 2003,.., 25=march 2005}
+    \item{\code{days}}{days in month}
+    \item{\code{motel_rate}}{motel room rate, $}
+    \item{\code{comp_rate}}{competitors room rate, $}
+    \item{\code{motel_pct}}{percentage motel occupancy}
+    \item{\code{comp_pct}}{percentage competitors occupancy}
+    \item{\code{repair}}{= 1 if motel under repair, = 0 otherwise}
+    \item{\code{relprice}}{relative price = motel_rate/comp_rate}
+  }
+}
+\details{
+%%  ~~ If necessary, more details than the __description__ above ~~
+}
+\source{
+http://principlesofeconometrics.com/poe4/poe4.htm
+}
+\references{
+%%  ~~ possibly secondary sources and usages ~~
+}
+\examples{
+data(motel)
+## maybe str(motel) ; plot(motel) ...
+}
+\keyword{datasets}
diff --git a/man/mroz.Rd b/man/mroz.Rd
new file mode 100644
index 0000000..439c0af
--- /dev/null
+++ b/man/mroz.Rd
@@ -0,0 +1,61 @@
+\name{mroz}
+\alias{mroz}
+\docType{data}
+\title{
+Mroz Data
+}
+\description{
+Obs: 753
+}
+\usage{data("mroz")}
+\format{
+  A data frame with 753 observations on the following 25 variables.
+  \describe{
+    \item{\code{taxableinc}}{Taxable income for household}
+    \item{\code{federaltax}}{Federal income taxes}
+    \item{\code{hsiblings}}{husband's number of siblings}
+    \item{\code{hfathereduc}}{husband's father's education level}
+    \item{\code{hmothereduc}}{husband's mothers's education level}
+    \item{\code{siblings}}{Wife's number of siblings}
+    \item{\code{lfp}}{dummy variable = 1 if woman worked in 1975, else 0}
+    \item{\code{hours}}{Wife's hours of work in 1975}
+    \item{\code{kidsl6}}{Number of children less than 6 years old in household}
+    \item{\code{kids618}}{Number of children between ages 6 and 18 in household}
+    \item{\code{age}}{Wife's age}
+    \item{\code{educ}}{Wife's educational attainment, in years}
+    \item{\code{wage}}{Wife's 1975 average hourly earnings, in 1975 dollars}
+    \item{\code{wage76}}{Wife's wage reported at 1976 interview, for 1976}
+    \item{\code{hhours}}{Husband's hours worked in 1975}
+    \item{\code{hage}}{Husband's age}
+    \item{\code{heduc}}{Husband's educational attainment, in years}
+    \item{\code{hwage}}{Husband's wage, in 1975 dollars}
+    \item{\code{faminc}}{Family income, in 1975 dollars}
+    \item{\code{mtr}}{marginal tax rate facing the wife, includes Soc Sec taxes}
+    \item{\code{mothereduc}}{wife's mother's education level}
+    \item{\code{fathereduc}}{wife's father's education level}
+    \item{\code{unemployment}}{Unemployment rate in county of residence}
+    \item{\code{largecity}}{Dummy variable = 1 if live in large city (SMSA), else 0}
+    \item{\code{exper}}{Actual years of wife's previous labor market experience}
+  }
+}
+\details{
+THE MROZ DATA FILE IS TAKEN FROM THE 1976 PANEL STUDY OF INCOME
+ DYNAMICS, AND IS BASED ON DATA FOR THE PREVIOUS YEAR, 1975.  OF THE 753
+ OBSERVATIONS, THE FIRST 428 ARE FOR WOMEN WITH POSITIVE HOURS
+ WORKED IN 1975, WHILE THE REMAINING 325 OBSERVATIONS ARE FOR WOMEN
+ WHO DID NOT WORK FOR PAY IN 1975.
+}
+\source{
+http://principlesofeconometrics.com/poe4/poe4.htm
+}
+\references{
+These data were kindly provided by Professor Tom Mroz. See the original
+ article for additional detail: Mroz, T. A. (1987) "The sensitivity of an
+ empirical model of a married woman's hours of work to economic and
+ statistical assumptions," Econometrica, 55, 765-800.
+}
+\examples{
+data(mroz)
+## maybe str(mroz) ; plot(mroz) ...
+}
+\keyword{datasets}
diff --git a/man/nels.Rd b/man/nels.Rd
new file mode 100644
index 0000000..bb2d5f2
--- /dev/null
+++ b/man/nels.Rd
@@ -0,0 +1,47 @@
+\name{nels}
+\alias{nels}
+\docType{data}
+\title{
+Nels Data
+}
+\description{
+Obs:   6649 observations
+}
+\usage{data("nels")}
+\format{
+  A data frame with 6649 observations on the following 14 variables.
+  \describe{
+    \item{\code{psechoice}}{= 1 if first postsecondary education was no college
+
+		= 2 if first postsecondary education was a 2-year college
+
+		= 3 if first postsecondary education was a 4-year college}
+    \item{\code{hscath}}{= 1 if catholic high school graduate}
+    \item{\code{hsrural}}{= 1 if high school rural}
+    \item{\code{grades}}{= average grade in math, english and social studies on 13 point scale with 1 = highest}
+    \item{\code{faminc}}{gross 1991 family income (in $1000)}
+    \item{\code{famsiz}}{number of family members}
+    \item{\code{parsome}}{= 1 if most educated parent had some college, but not a 4-year degree}
+    \item{\code{parcoll}}{= 1 if most educated parent graduated from college or had an advanced degree}
+    \item{\code{female}}{= 1 if female}
+    \item{\code{asian}}{= 1 if asian}
+    \item{\code{hispan}}{= 1 if hispan}
+    \item{\code{black}}{= 1 if black}
+    \item{\code{grants}}{= 1 if student had a grant/scholarship or fellowship when attending college}
+    \item{\code{loans}}{= 1 if student received a loan while attending college}
+  }
+}
+\details{
+%%  ~~ If necessary, more details than the __description__ above ~~
+}
+\source{
+http://principlesofeconometrics.com/poe4/poe4.htm
+}
+\references{
+Data a sample from the National Education Longitudinal Study of 1988 (NELS:88).The study and data are summarized in National Education Longitudinal Study:  1988-1994, Descriptive Summary Report With an Essay on Access and Choice in Post-secondary Education, by Allen Sanderson, Bernard Dugoni, Kenneth Rasinski and John Taylor, C. Dennis Carroll project officer, NCES 96-175, National Center for Education Statistics, March 1996.
+}
+\examples{
+data(nels)
+## maybe str(nels) ; plot(nels) ...
+}
+\keyword{datasets}
diff --git a/man/nels_small.Rd b/man/nels_small.Rd
new file mode 100644
index 0000000..6beab3b
--- /dev/null
+++ b/man/nels_small.Rd
@@ -0,0 +1,41 @@
+\name{nels_small}
+\alias{nels_small}
+\docType{data}
+\title{
+Nels_small Data
+}
+\description{
+Obs:   1000 observations
+}
+\usage{data("nels_small")}
+\format{
+  A data frame with 1000 observations on the following 8 variables.
+  \describe{
+    \item{\code{psechoice}}{= 1 if first postsecondary education was no college
+
+		= 2 if first postsecondary education was a 2-year college
+
+		= 3 if first postsecondary education was a 4-year college}
+    \item{\code{hscath}}{= 1 if catholic high school graduate}
+    \item{\code{grades}}{= average grade in math, english and social studies on 13 point scale with 1 = highest}
+    \item{\code{faminc}}{gross 1991 family income (in $1000)}
+    \item{\code{famsiz}}{number of family members}
+    \item{\code{parcoll}}{= 1 if most educated parent graduated from college or had an advanced degree}
+    \item{\code{female}}{= 1 if female}
+    \item{\code{black}}{= 1 if black}
+  }
+}
+\details{
+%%  ~~ If necessary, more details than the __description__ above ~~
+}
+\source{
+http://principlesofeconometrics.com/poe4/poe4.htm
+}
+\references{
+Data a sample from the National Education Longitudinal Study of 1988 (NELS:88).The study and data are summarized in National Education Longitudinal Study:  1988-1994, Descriptive Summary Report With an Essay on Access and Choice in Post-secondary Education, by Allen Sanderson, Bernard Dugoni, Kenneth Rasinski and John Taylor, C. Dennis Carroll project officer, NCES 96-175, National Center for Education Statistics, March 1996.
+}
+\examples{
+data(nels_small)
+## maybe str(nels_small) ; plot(nels_small) ...
+}
+\keyword{datasets}
diff --git a/man/newbroiler.Rd b/man/newbroiler.Rd
new file mode 100644
index 0000000..5398dfa
--- /dev/null
+++ b/man/newbroiler.Rd
@@ -0,0 +1,41 @@
+\name{newbroiler}
+\alias{newbroiler}
+\docType{data}
+\title{
+New Broiler Data
+}
+\description{
+Obs:   52 annual observations, 1950-2001
+}
+\usage{data("newbroiler")}
+\format{
+  A data frame with 52 observations on the following 10 variables.
+  \describe{
+    \item{\code{year}}{Year}
+    \item{\code{q}}{per capita consumption of boneless chicken, pounds}
+    \item{\code{y}}{per capita real disposable income, 1996 = 100}
+    \item{\code{p}}{real price (index) of fresh chicken}
+    \item{\code{pb}}{real price (index) of beef}
+    \item{\code{pcorn}}{real price (index) of feed corn}
+    \item{\code{pf}}{real price (index) of broiler feed}
+    \item{\code{qprod}}{estimate of aggregate production of boneless chicken}
+    \item{\code{lexpts}}{log of estimate of exports of boneless chicken}
+    \item{\code{popgro}}{population growth rate}
+  }
+}
+\details{
+Methodology for variable construction is provided in their paper. Their original data is provided
+	in the file "broiler.dat".
+}
+\source{
+http://principlesofeconometrics.com/poe4/poe4.htm
+}
+\references{
+These data are constructed from data provided by Dennis Epple and Bennett T. McCallum (2006)
+	"Simultaneous Equation Econometrics: The Missing Example," Economic Inquiry, 44(2), 374-384
+}
+\examples{
+data(newbroiler)
+## maybe str(newbroiler) ; plot(newbroiler) ...
+}
+\keyword{datasets}
diff --git a/man/njmin3.Rd b/man/njmin3.Rd
new file mode 100644
index 0000000..5a74bd5
--- /dev/null
+++ b/man/njmin3.Rd
@@ -0,0 +1,43 @@
+\name{njmin3}
+\alias{njmin3}
+\docType{data}
+\title{
+Njmin3 Data
+}
+\description{
+Obs:   820
+}
+\usage{data("njmin3")}
+\format{
+  A data frame with 820 observations on the following 14 variables.
+  \describe{
+    \item{\code{nj}}{= 1 if new jersey}
+    \item{\code{d}}{= 1 if after nj min wage increase}
+    \item{\code{d_nj}}{nj*d interaction}
+    \item{\code{fte}}{full time-equivalent employees}
+    \item{\code{bk}}{= 1 if burger king}
+    \item{\code{kfc}}{= 1 if kentucky fried chicken}
+    \item{\code{roys}}{= 1 if roy rodgers}
+    \item{\code{wendys}}{= 1 if wendys}
+    \item{\code{co_owned}}{= 1 if company owned}
+    \item{\code{centralj}}{= 1 if in central nj}
+    \item{\code{southj}}{= 1 if in southern nj}
+    \item{\code{pa1}}{= 1 if in pa, northeast suburbs of phila}
+    \item{\code{pa2}}{= 1 if in pa, easton etc}
+    \item{\code{demp}}{change in full time employment}
+  }
+}
+\details{
+%%  ~~ If necessary, more details than the __description__ above ~~
+}
+\source{
+http://principlesofeconometrics.com/poe4/poe4.htm
+}
+\references{
+http://econ-www.mit.edu/faculty/angrist/data1/mhe/card with permission of David Card
+}
+\examples{
+data(njmin3)
+## maybe str(njmin3) ; plot(njmin3) ...
+}
+\keyword{datasets}
diff --git a/man/nls.Rd b/man/nls.Rd
new file mode 100644
index 0000000..9c97121
--- /dev/null
+++ b/man/nls.Rd
@@ -0,0 +1,48 @@
+\name{nls}
+\alias{nls}
+\docType{data}
+\title{
+Nls Data
+}
+\description{
+obs:        13,548
+}
+\usage{data("nls")}
+\format{
+  A data frame with 13548 observations on the following 18 variables.
+  \describe{
+    \item{\code{id}}{NLS id}
+    \item{\code{year}}{interview year}
+    \item{\code{lwage}}{ln(wage/GNP deflator)}
+    \item{\code{hours}}{usual hours worked}
+    \item{\code{age}}{age in current year}
+    \item{\code{exper}}{total work experience}
+    \item{\code{educ}}{current grade completed}
+    \item{\code{collgrad}}{= 1 if college graduate}
+    \item{\code{race}}{1=white, 2=black, 3=other}
+    \item{\code{msp}}{1 if married, spouse present}
+    \item{\code{nev_mar}}{1 if never yet married}
+    \item{\code{not_smsa}}{1 if not SMSA}
+    \item{\code{c_city}}{1 if central city}
+    \item{\code{south}}{1 if south}
+    \item{\code{union}}{1 if union}
+    \item{\code{wks_ue}}{weeks unemployed last year}
+    \item{\code{wks_work}}{weeks worked last year}
+    \item{\code{tenure}}{job tenure, in years}
+  }
+}
+\details{
+%%  ~~ If necessary, more details than the __description__ above ~~
+}
+\source{
+http://principlesofeconometrics.com/poe4/poe4.htm
+}
+\references{
+Subset of NLSWORK.DTA, Stata Corp. 2005. Stata Statistical Software: Release 9. College Station, TX: Stata Corp LP.
+        The authors wish to thank the Stata Corporation for allowing the use of the data
+}
+\examples{
+data(nls)
+## maybe str(nls) ; plot(nls) ...
+}
+\keyword{datasets}
diff --git a/man/nls_panel.Rd b/man/nls_panel.Rd
new file mode 100644
index 0000000..e1f2655
--- /dev/null
+++ b/man/nls_panel.Rd
@@ -0,0 +1,48 @@
+\name{nls_panel}
+\alias{nls_panel}
+\docType{data}
+\title{
+Nls_panel Data
+}
+\description{
+obs:  3580
+}
+\usage{data("nls_panel")}
+\format{
+  A data frame with 3580 observations on the following 18 variables.
+  \describe{
+    \item{\code{id}}{identifier for panel individual; 716 total}
+    \item{\code{year}}{year interviewed (1982, 1983, 1985, 1987, 1988)}
+    \item{\code{lwage}}{ln(wage/GNP deflator)}
+    \item{\code{hours}}{usual hours worked}
+    \item{\code{age}}{age in current year}
+    \item{\code{educ}}{current grade completed}
+    \item{\code{collgrad}}{= 1 if college graduate}
+    \item{\code{msp}}{= 1 if married, spouse present}
+    \item{\code{nev_mar}}{= 1 if never yet married}
+    \item{\code{not_smsa}}{= 1 if not SMSA}
+    \item{\code{c_city}}{= 1 if central city}
+    \item{\code{south}}{= 1 if south}
+    \item{\code{black}}{= 1 if black; 0 if white}
+    \item{\code{union}}{= 1 if union member}
+    \item{\code{exper}}{total work experience}
+    \item{\code{exper2}}{exper^2}
+    \item{\code{tenure}}{job tenure, in years}
+    \item{\code{tenure2}}{tenure^2}
+  }
+}
+\details{
+%%  ~~ If necessary, more details than the __description__ above ~~
+}
+\source{
+http://principlesofeconometrics.com/poe4/poe4.htm
+}
+\references{
+Subset of NLSWORK.DTA, Stata Corp. 2005. Stata Statistical Software: Release 9. College Station, TX: Stata Corp LP.
+        The authors wish to thank the Stata Corporation for allowing the use of the data.
+}
+\examples{
+data(nls_panel)
+## maybe str(nls_panel) ; plot(nls_panel) ...
+}
+\keyword{datasets}
diff --git a/man/nls_panel10.Rd b/man/nls_panel10.Rd
new file mode 100644
index 0000000..570a565
--- /dev/null
+++ b/man/nls_panel10.Rd
@@ -0,0 +1,50 @@
+\name{nls_panel10}
+\alias{nls_panel10}
+\docType{data}
+\title{
+Nls_panel10
+}
+\description{
+ obs:  50
+(This file contains the first 10 individuals from the larger file nls_panel.)
+
+}
+\usage{data("nls_panel10")}
+\format{
+  A data frame with 50 observations on the following 18 variables.
+  \describe{
+    \item{\code{id}}{identifier for panel individual; 716 total}
+    \item{\code{year}}{year interviewed (1982, 1983, 1985, 1987, 1988)}
+    \item{\code{lwage}}{ln(wage/GNP deflator)}
+    \item{\code{hours}}{usual hours worked}
+    \item{\code{age}}{age in current year}
+    \item{\code{educ}}{current grade completed}
+    \item{\code{collgrad}}{= 1 if college graduate}
+    \item{\code{msp}}{= 1 if married, spouse present}
+    \item{\code{nev_mar}}{= 1 if never yet married}
+    \item{\code{not_smsa}}{= 1 if not SMSA}
+    \item{\code{c_city}}{= 1 if central city}
+    \item{\code{south}}{= 1 if south}
+    \item{\code{black}}{= 1 if black; 0 if white}
+    \item{\code{union}}{= 1 if union member}
+    \item{\code{exper}}{total work experience}
+    \item{\code{exper2}}{exper^2}
+    \item{\code{tenure}}{job tenure, in years}
+    \item{\code{tenure2}}{tenure^2}
+  }
+}
+\details{
+%%  ~~ If necessary, more details than the __description__ above ~~
+}
+\source{
+http://principlesofeconometrics.com/poe4/poe4.htm
+}
+\references{
+Subset of NLSWORK.DTA, Stata Corp. 2005. Stata Statistical Software: Release 9. College Station, TX: Stata Corp LP.
+        The authors wish to thank the Stata Corporation for allowing the use of the data.
+}
+\examples{
+data(nls_panel10)
+## maybe str(nls_panel10) ; plot(nls_panel10) ...
+}
+\keyword{datasets}
diff --git a/man/nls_panel2.Rd b/man/nls_panel2.Rd
new file mode 100644
index 0000000..0281425
--- /dev/null
+++ b/man/nls_panel2.Rd
@@ -0,0 +1,55 @@
+\name{nls_panel2}
+\alias{nls_panel2}
+\docType{data}
+\title{
+Nls_panel2 Data
+}
+\description{
+obs:  1432 [2 year on 716 individuals]
+}
+\usage{data("nls_panel2")}
+\format{
+  A data frame with 1432 observations on the following 26 variables.
+  \describe{
+    \item{\code{id}}{group(id)}
+    \item{\code{year}}{interview year}
+    \item{\code{lwage}}{ln(wage/GNP deflator)}
+    \item{\code{hours}}{usual hours worked}
+    \item{\code{age}}{age in current year}
+    \item{\code{educ}}{current grade completed}
+    \item{\code{collgrad}}{1 if college graduate}
+    \item{\code{msp}}{1 if married, spouse present}
+    \item{\code{nev_mar}}{1 if never yet married}
+    \item{\code{not_smsa}}{1 if not SMSA}
+    \item{\code{c_city}}{1 if central city}
+    \item{\code{south}}{1 if south}
+    \item{\code{black}}{1 if black}
+    \item{\code{union}}{1 if union}
+    \item{\code{exper}}{total work experience}
+    \item{\code{exper2}}{exper^2}
+    \item{\code{tenure}}{job tenure, in years}
+    \item{\code{tenure2}}{tenure^2}
+    \item{\code{dlwage}}{(lwage - lwage[_n-1])}
+    \item{\code{dexper}}{(exper - exper[_n-1])}
+    \item{\code{dtenure}}{(tenure - tenure[_n-1])}
+    \item{\code{dsouth}}{(south - south[_n-1])}
+    \item{\code{dunion}}{(union - union[_n-1])}
+    \item{\code{dexper2}}{(exper2 - exper2[_n-1])}
+    \item{\code{dtenure2}}{(tenure2 - tenure2[_n-1])}
+    \item{\code{d88}}{1 if year 1988}
+  }
+}
+\details{
+This data is a subset of nls_panel containing only years 1987 and 1988
+}
+\source{
+http://principlesofeconometrics.com/poe4/poe4.htm
+}
+\references{
+%%  ~~ possibly secondary sources and usages ~~
+}
+\examples{
+data(nls_panel2)
+## maybe str(nls_panel2) ; plot(nls_panel2) ...
+}
+\keyword{datasets}
diff --git a/man/nls_panel_devn.Rd b/man/nls_panel_devn.Rd
new file mode 100644
index 0000000..5f9c668
--- /dev/null
+++ b/man/nls_panel_devn.Rd
@@ -0,0 +1,38 @@
+\name{nls_panel_devn}
+\alias{nls_panel_devn}
+\docType{data}
+\title{
+Nls_panel_devn Data
+}
+\description{
+obs:  50
+
+(This file contains a subset of the variables in the file nls_panel10, expressed in terms of deviations from individual means.)
+}
+\usage{data("nls_panel_devn")}
+\format{
+  A data frame with 50 observations on the following 6 variables.
+  \describe{
+    \item{\code{lw_dev}}{ln(wage/GNP deflator) - average of [ln(wage/GNP deflator)] for the i-th individual}
+    \item{\code{exp_dev}}{total work experience - average of [total work experience] for the i-th individual}
+    \item{\code{exp2_dev}}{square of total work experience - average of [total work experience squared] for the i-th individual}
+    \item{\code{ten_dev}}{job tenure, in years - average of [job tenure] for the i-th individual}
+    \item{\code{ten2_dev}}{job tenure squared - average of [job tenure squared] for the i-th individual}
+    \item{\code{union_dev}}{1 (if union memeber) or 0 (if not union member) - average of 1's and 0's for i-th individual}
+  }
+}
+\details{
+%%  ~~ If necessary, more details than the __description__ above ~~
+}
+\source{
+http://principlesofeconometrics.com/poe4/poe4.htm
+}
+\references{
+Subset of NLSWORK.DTA, Stata Corp. 2005. Stata Statistical Software: Release 9. College Station, TX: Stata Corp LP.
+        The authors wish to thank the Stata Corporation for allowing the use of the data.
+}
+\examples{
+data(nls_panel_devn)
+## maybe str(nls_panel_devn) ; plot(nls_panel_devn) ...
+}
+\keyword{datasets}
diff --git a/man/oil.Rd b/man/oil.Rd
new file mode 100644
index 0000000..443bee2
--- /dev/null
+++ b/man/oil.Rd
@@ -0,0 +1,30 @@
+\name{oil}
+\alias{oil}
+\docType{data}
+\title{
+Oil Data
+}
+\description{
+Obs: 88, annual, (1883 - 1970)
+}
+\usage{data("oil")}
+\format{
+  A data frame with 88 observations on the following variable.
+  \describe{
+    \item{\code{oil}}{price of oil (in 1967 constant dollars)}
+  }
+}
+\details{
+%%  ~~ If necessary, more details than the __description__ above ~~
+}
+\source{
+http://principlesofeconometrics.com/poe4/poe4.htm
+}
+\references{
+Pindyck and Rubinfeld (1991, p.463)
+}
+\examples{
+data(oil)
+## maybe str(oil) ; plot(oil) ...
+}
+\keyword{datasets}
diff --git a/man/okun.Rd b/man/okun.Rd
new file mode 100644
index 0000000..fb67ea8
--- /dev/null
+++ b/man/okun.Rd
@@ -0,0 +1,31 @@
+\name{okun}
+\alias{okun}
+\docType{data}
+\title{
+Okun Data
+}
+\description{
+Obs: 98, quarterly (1985Q2 - 2009Q3)
+}
+\usage{data("okun")}
+\format{
+  A data frame with 98 observations on the following 2 variables.
+  \describe{
+    \item{\code{g}}{percentage change in U.S. Gross Domestic Product, seasonally adjusted.}
+    \item{\code{u}}{U.S. Civilian Unemployment Rate  (Seasonally adjusted)}
+  }
+}
+\details{
+The variable DU used in Chapter 9 is defined as U(t)-U(t-1).
+}
+\source{
+http://principlesofeconometrics.com/poe4/poe4.htm
+}
+\references{
+Federal Reserve Bank of St Louis
+}
+\examples{
+data(okun)
+## maybe str(okun) ; plot(okun) ...
+}
+\keyword{datasets}
diff --git a/man/olympics.Rd b/man/olympics.Rd
new file mode 100644
index 0000000..2b8002c
--- /dev/null
+++ b/man/olympics.Rd
@@ -0,0 +1,43 @@
+\name{olympics}
+\alias{olympics}
+\docType{data}
+\title{
+Olympics Data
+}
+\description{
+Obs:   1610
+}
+\usage{data("olympics")}
+\format{
+  A data frame with 1610 observations on the following 11 variables.
+  \describe{
+    \item{\code{country}}{country code}
+    \item{\code{year}}{olympics year}
+    \item{\code{gdp}}{gross domestic product, 1995 dollars}
+    \item{\code{pop}}{population}
+    \item{\code{gold}}{number of gold medals won}
+    \item{\code{silver}}{number of silver medals won}
+    \item{\code{bronze}}{number of bronze medals won}
+    \item{\code{medaltot}}{total number of medals won}
+    \item{\code{host}}{= 1 if host country}
+    \item{\code{planned}}{= 1 if non-soviet planned}
+    \item{\code{soviet}}{= 1 if soviet}
+  }
+}
+\details{
+%%  ~~ If necessary, more details than the __description__ above ~~
+}
+\source{
+http://principlesofeconometrics.com/poe4/poe4.htm
+}
+\references{
+Andrew B. Bernard and Meghan R. Busse "Who wins the olympic games: Economic resources and medal totals,"
+             The Review of Economics and Statistics, February 2004, 86(1), 413-417.
+
+We thank Dr. Bernard for providing these data
+}
+\examples{
+data(olympics)
+## maybe str(olympics) ; plot(olympics) ...
+}
+\keyword{datasets}
diff --git a/man/oz.Rd b/man/oz.Rd
new file mode 100644
index 0000000..88ad567
--- /dev/null
+++ b/man/oz.Rd
@@ -0,0 +1,31 @@
+\name{oz}
+\alias{oz}
+\docType{data}
+\title{
+Oz Data
+}
+\description{
+Obs: 82, quarterly (1985:1 - 2005:2)
+}
+\usage{data("oz")}
+\format{
+  A data frame with 82 observations on the following 2 variables.
+  \describe{
+    \item{\code{consumption}}{aggregate consumption in Australia}
+    \item{\code{income}}{disposable income in Australia}
+  }
+}
+\details{
+%%  ~~ If necessary, more details than the __description__ above ~~
+}
+\source{
+http://principlesofeconometrics.com/poe4/poe4.htm
+}
+\references{
+Statistical Bulletin, Reserve Bank of Australia
+}
+\examples{
+data(oz)
+## maybe str(oz) ; plot(oz) ...
+}
+\keyword{datasets}
diff --git a/man/phillips.Rd b/man/phillips.Rd
new file mode 100644
index 0000000..bbf1e86
--- /dev/null
+++ b/man/phillips.Rd
@@ -0,0 +1,31 @@
+\name{phillips}
+\alias{phillips}
+\docType{data}
+\title{
+Phillips Data
+}
+\description{
+Obs: 444, monthly (1970:01 - 2006:12)
+}
+\usage{data("phillips")}
+\format{
+  A data frame with 444 observations on the following 2 variables.
+  \describe{
+    \item{\code{du}}{change in unemployment rate}
+    \item{\code{dp}}{change in inflation rate}
+  }
+}
+\details{
+%%  ~~ If necessary, more details than the __description__ above ~~
+}
+\source{
+http://principlesofeconometrics.com/poe4/poe4.htm
+}
+\references{
+Federal Reserve Economic Data, Federal Reserve Bank of St.Louis
+}
+\examples{
+data(phillips)
+## maybe str(phillips) ; plot(phillips) ...
+}
+\keyword{datasets}
diff --git a/man/phillips_aus.Rd b/man/phillips_aus.Rd
new file mode 100644
index 0000000..b80c2d1
--- /dev/null
+++ b/man/phillips_aus.Rd
@@ -0,0 +1,33 @@
+\name{phillips_aus}
+\alias{phillips_aus}
+\docType{data}
+\title{
+Phillips_aus Data
+}
+\description{
+Obs: 91, quarterly (1987Q1 - 2009Q3)
+}
+\usage{data("phillips_aus")}
+\format{
+  A data frame with 91 observations on the following 2 variables.
+  \describe{
+    \item{\code{inf}}{Australian Inflation Rate (Percentage Change in the Consumer Price
+	      Index with an adjustment for 2000Q3 when a national sales tax was
+	      introduced)}
+    \item{\code{u}}{Australian Unemployment Rate  (Seasonally adjusted)}
+  }
+}
+\details{
+The variable DU used in Chapter 9 is defined as U(t)-U(t-1).
+}
+\source{
+http://principlesofeconometrics.com/poe4/poe4.htm
+}
+\references{
+Reserve Bank of Australia
+}
+\examples{
+data(phillips_aus)
+## maybe str(phillips_aus) ; plot(phillips_aus) ...
+}
+\keyword{datasets}
diff --git a/man/pizza4.Rd b/man/pizza4.Rd
new file mode 100644
index 0000000..3ba1869
--- /dev/null
+++ b/man/pizza4.Rd
@@ -0,0 +1,36 @@
+\name{pizza4}
+\alias{pizza4}
+\docType{data}
+\title{
+Pizza4 Data
+}
+\description{
+Obs:   40 individuals
+}
+\usage{data("pizza4")}
+\format{
+  A data frame with 40 observations on the following 7 variables.
+  \describe{
+    \item{\code{pizza}}{annual pizza expenditure, $}
+    \item{\code{female}}{=1 if female}
+    \item{\code{hs}}{=1 if highest degree received is high school diploma}
+    \item{\code{college}}{=1 if highest degree received is a college diploma}
+    \item{\code{grad}}{=1 if highest degree received is a post graduate degree}
+    \item{\code{income}}{annual income in thousands of dollars}
+    \item{\code{age}}{age in years}
+  }
+}
+\details{
+%%  ~~ If necessary, more details than the __description__ above ~~
+}
+\source{
+http://principlesofeconometrics.com/poe4/poe4.htm
+}
+\references{
+%%  ~~ possibly secondary sources and usages ~~
+}
+\examples{
+data(pizza4)
+## maybe str(pizza4) ; plot(pizza4) ...
+}
+\keyword{datasets}
diff --git a/man/pubexp.Rd b/man/pubexp.Rd
new file mode 100644
index 0000000..a00d3ea
--- /dev/null
+++ b/man/pubexp.Rd
@@ -0,0 +1,32 @@
+\name{pubexp}
+\alias{pubexp}
+\docType{data}
+\title{
+Pubexp Data
+}
+\description{
+Obs:   34 countries
+}
+\usage{data("pubexp")}
+\format{
+  A data frame with 34 observations on the following 3 variables.
+  \describe{
+    \item{\code{ee}}{public expenditure on education}
+    \item{\code{gdp}}{gross domestic product}
+    \item{\code{p}}{population}
+  }
+}
+\details{
+%%  ~~ If necessary, more details than the __description__ above ~~
+}
+\source{
+http://principlesofeconometrics.com/poe4/poe4.htm
+}
+\references{
+Dougherty, C. (1992) Introduction to Econometrics, Oxford University Press
+}
+\examples{
+data(pubexp)
+## maybe str(pubexp) ; plot(pubexp) ...
+}
+\keyword{datasets}
diff --git a/man/qtm.Rd b/man/qtm.Rd
new file mode 100644
index 0000000..772971e
--- /dev/null
+++ b/man/qtm.Rd
@@ -0,0 +1,31 @@
+\name{qtm}
+\alias{qtm}
+\docType{data}
+\title{
+Qtm Data
+}
+\description{
+Obs: 180, quarterly (1961:1 - 2005:4)
+}
+\usage{data("qtm")}
+\format{
+  A data frame with 180 observations on the following 2 variables.
+  \describe{
+    \item{\code{m}}{percentage change in M3 (a measure of the quantity of money)}
+    \item{\code{p}}{percentage change in the GDP deflator (a measure of aggregate price) }
+  }
+}
+\details{
+%%  ~~ If necessary, more details than the __description__ above ~~
+}
+\source{
+http://principlesofeconometrics.com/poe4/poe4.htm
+}
+\references{
+International Financial Statistics, International Monetary Fund
+}
+\examples{
+data(qtm)
+## maybe str(qtm) ; plot(qtm) ...
+}
+\keyword{datasets}
diff --git a/man/returns.Rd b/man/returns.Rd
new file mode 100644
index 0000000..994d66f
--- /dev/null
+++ b/man/returns.Rd
@@ -0,0 +1,34 @@
+\name{returns}
+\alias{returns}
+\docType{data}
+\title{
+Returns Data
+}
+\description{
+Obs: 271, monthly, (1988:1 - 2010.7)
+}
+\usage{data("returns")}
+\format{
+  A data frame with 271 observations on the following 4 variables.
+  \describe{
+    \item{\code{nasdaq}}{NASDAQ stock Index (USA)}
+    \item{\code{allords}}{All Ordinaries Stock Index (Australia)}
+    \item{\code{ftse}}{FTSE Stock Index (UK)
+}
+    \item{\code{nikkei}}{NIkkei Stock Index (Japan)}
+  }
+}
+\details{
+%%  ~~ If necessary, more details than the __description__ above ~~
+}
+\source{
+http://principlesofeconometrics.com/poe4/poe4.htm
+}
+\references{
+Yahoo Finance
+}
+\examples{
+data(returns)
+## maybe str(returns) ; plot(returns) ...
+}
+\keyword{datasets}
diff --git a/man/rice.Rd b/man/rice.Rd
new file mode 100644
index 0000000..5bae75b
--- /dev/null
+++ b/man/rice.Rd
@@ -0,0 +1,38 @@
+\name{rice}
+\alias{rice}
+\docType{data}
+\title{
+Rice Data
+}
+\description{
+Obs:   a panel with 44 firms over 8 years (1990-1997)
+	total observations = 352
+}
+\usage{data("rice")}
+\format{
+  A data frame with 352 observations on the following 6 variables.
+  \describe{
+    \item{\code{firm}}{Firm number  (1 to 44)}
+    \item{\code{year}}{Year = 1990 to 1997}
+    \item{\code{prod}}{Rice production (tonnes)}
+    \item{\code{area}}{Area planted to rice (hectares)}
+    \item{\code{labor}}{Hired + family labor (person days)}
+    \item{\code{fert}}{Fertilizer applied (kilograms)}
+  }
+}
+\details{
+%%  ~~ If necessary, more details than the __description__ above ~~
+}
+\source{
+http://principlesofeconometrics.com/poe4/poe4.htm
+}
+\references{
+These data were used by O’Donnell, C.J. and W.E. Griffiths (2006),
+	"Estimating State-Contingent Production Frontiers", American Journal of
+	Agricultural Economics, 88(1), 249-266.
+}
+\examples{
+data(rice)
+## maybe str(rice) ; plot(rice) ...
+}
+\keyword{datasets}
diff --git a/man/savings.Rd b/man/savings.Rd
new file mode 100644
index 0000000..cf22a16
--- /dev/null
+++ b/man/savings.Rd
@@ -0,0 +1,32 @@
+\name{savings}
+\alias{savings}
+\docType{data}
+\title{
+Savings Data
+}
+\description{
+Obs:   50 observations
+}
+\usage{data("savings")}
+\format{
+  A data frame with 50 observations on the following 3 variables.
+  \describe{
+    \item{\code{savings}}{annual savings by household (1000's $)}
+    \item{\code{income}}{annual income by household (1000's $)}
+    \item{\code{avgincome}}{average of 10 years prior income (1000's $)}
+  }
+}
+\details{
+%%  ~~ If necessary, more details than the __description__ above ~~
+}
+\source{
+http://principlesofeconometrics.com/poe4/poe4.htm
+}
+\references{
+%%  ~~ possibly secondary sources and usages ~~
+}
+\examples{
+data(savings)
+## maybe str(savings) ; plot(savings) ...
+}
+\keyword{datasets}
diff --git a/man/share.Rd b/man/share.Rd
new file mode 100644
index 0000000..366ffde
--- /dev/null
+++ b/man/share.Rd
@@ -0,0 +1,30 @@
+\name{share}
+\alias{share}
+\docType{data}
+\title{
+Share Data
+}
+\description{
+Obs: 204, monthly (1988:01-2004:12)
+}
+\usage{data("share")}
+\format{
+  A data frame with 204 observations on the following variable.
+  \describe{
+    \item{\code{y}}{Straits Times Share Price Index of Singapore}
+  }
+}
+\details{
+%%  ~~ If necessary, more details than the __description__ above ~~
+}
+\source{
+http://principlesofeconometrics.com/poe4/poe4.htm
+}
+\references{
+Bloomberg
+}
+\examples{
+data(share)
+## maybe str(share) ; plot(share) ...
+}
+\keyword{datasets}
diff --git a/man/sirmans.Rd b/man/sirmans.Rd
new file mode 100644
index 0000000..5f2a98d
--- /dev/null
+++ b/man/sirmans.Rd
@@ -0,0 +1,36 @@
+\name{sirmans}
+\alias{sirmans}
+\docType{data}
+\title{
+Sirmans Data
+}
+\description{
+Obs:   78
+}
+\usage{data("sirmans")}
+\format{
+  A data frame with 78 observations on the following 7 variables.
+  \describe{
+    \item{\code{adjust}}{= 1 if an adjustable rate mortgage is chosen.}
+    \item{\code{fixrate}}{fixed interest rate}
+    \item{\code{margin}}{the variable rate less the fixed rate}
+    \item{\code{yield}}{the 10-year treasury rate less the one year treasury rate}
+    \item{\code{points}}{ratio of points paid on adjustable rates to those paid on fixed rates}
+    \item{\code{maturity}}{ratio of maturities on adjustable to fixed rates}
+    \item{\code{networth}}{net worth of borrower}
+  }
+}
+\details{
+The authors wish to thank C.F. Sirmans for these data.
+}
+\source{
+http://principlesofeconometrics.com/poe4/poe4.htm
+}
+\references{
+The authors wish to thank C.F. Sirmans for these data.
+}
+\examples{
+data(sirmans)
+## maybe str(sirmans) ; plot(sirmans) ...
+}
+\keyword{datasets}
diff --git a/man/sp.Rd b/man/sp.Rd
new file mode 100644
index 0000000..8b4a84f
--- /dev/null
+++ b/man/sp.Rd
@@ -0,0 +1,30 @@
+\name{sp}
+\alias{sp}
+\docType{data}
+\title{
+Sp Data
+}
+\description{
+Obs: 781, weekly, (1.08.1990 - 12.20.2004)
+}
+\usage{data("sp")}
+\format{
+  A data frame with 781 observations on the following variable.
+  \describe{
+    \item{\code{r}}{returns to US S&P500}
+  }
+}
+\details{
+%%  ~~ If necessary, more details than the __description__ above ~~
+}
+\source{
+http://principlesofeconometrics.com/poe4/poe4.htm
+}
+\references{
+http://au.finance.yahoo.com
+}
+\examples{
+data(sp)
+## maybe str(sp) ; plot(sp) ...
+}
+\keyword{datasets}
diff --git a/man/spurious.Rd b/man/spurious.Rd
new file mode 100644
index 0000000..635fea1
--- /dev/null
+++ b/man/spurious.Rd
@@ -0,0 +1,31 @@
+\name{spurious}
+\alias{spurious}
+\docType{data}
+\title{
+Spurious Data
+}
+\description{
+Obs: 700
+}
+\usage{data("spurious")}
+\format{
+  A data frame with 700 observations on the following 2 variables.
+  \describe{
+    \item{\code{rw1}}{random walk process}
+    \item{\code{rw2}}{random walk process}
+  }
+}
+\details{
+%%  ~~ If necessary, more details than the __description__ above ~~
+}
+\source{
+http://principlesofeconometrics.com/poe4/poe4.htm
+}
+\references{
+generated time series data
+}
+\examples{
+data(spurious)
+## maybe str(spurious) ; plot(spurious) ...
+}
+\keyword{datasets}
diff --git a/man/star.Rd b/man/star.Rd
new file mode 100644
index 0000000..bfeb959
--- /dev/null
+++ b/man/star.Rd
@@ -0,0 +1,48 @@
+\name{star}
+\alias{star}
+\docType{data}
+\title{
+Star Data
+}
+\description{
+Obs:   5786 observations
+}
+\usage{data("star")}
+\format{
+  A data frame with 5786 observations on the following 19 variables.
+  \describe{
+    \item{\code{id}}{student id}
+    \item{\code{schid}}{school id}
+    \item{\code{tchid}}{teacher id}
+    \item{\code{tchexper}}{teacher years of experience}
+    \item{\code{absent}}{days absent}
+    \item{\code{readscore}}{reading score}
+    \item{\code{mathscore}}{math score}
+    \item{\code{totalscore}}{combined math and reading score}
+    \item{\code{boy}}{male student}
+    \item{\code{white_asian}}{white or asian student}
+    \item{\code{black}}{black student}
+    \item{\code{tchwhite}}{white teacher}
+    \item{\code{tchmasters}}{teacher with masters degree}
+    \item{\code{freelunch}}{free lunch provided}
+    \item{\code{schurban}}{school urban or inner city}
+    \item{\code{schrural}}{school rural}
+    \item{\code{small}}{small class}
+    \item{\code{regular}}{regular class}
+    \item{\code{aide}}{regular class with aide}
+  }
+}
+\details{
+%%  ~~ If necessary, more details than the __description__ above ~~
+}
+\source{
+http://principlesofeconometrics.com/poe4/poe4.htm
+}
+\references{
+http://www.heros-inc.org/star.htm
+}
+\examples{
+data(star)
+## maybe str(star) ; plot(star) ...
+}
+\keyword{datasets}
diff --git a/man/sterling.Rd b/man/sterling.Rd
new file mode 100644
index 0000000..a4fe6c8
--- /dev/null
+++ b/man/sterling.Rd
@@ -0,0 +1,31 @@
+\name{sterling}
+\alias{sterling}
+\docType{data}
+\title{
+Euro Sterling Data
+}
+\description{
+Obs: 96, monthly (1999:01 - 2006:12)
+}
+\usage{data("sterling")}
+\format{
+  A data frame with 96 observations on the following 2 variables.
+  \describe{
+    \item{\code{euro}}{Euro/$US}
+    \item{\code{sterling}}{Sterling/$US}
+  }
+}
+\details{
+%%  ~~ If necessary, more details than the __description__ above ~~
+}
+\source{
+http://principlesofeconometrics.com/poe4/poe4.htm
+}
+\references{
+Statistical Bulletin, Reserve Bank of Australia
+}
+\examples{
+data(sterling)
+## maybe str(sterling) ; plot(sterling) ...
+}
+\keyword{datasets}
diff --git a/man/stockton.Rd b/man/stockton.Rd
new file mode 100644
index 0000000..997d058
--- /dev/null
+++ b/man/stockton.Rd
@@ -0,0 +1,37 @@
+\name{stockton}
+\alias{stockton}
+\docType{data}
+\title{
+Stockton Data
+}
+\description{
+4682 home sales in Stockton, CA from January 1991 to December 1996
+}
+\usage{data("stockton")}
+\format{
+  A data frame with 4682 observations on the following 8 variables.
+  \describe{
+    \item{\code{price}}{house price, $}
+    \item{\code{sqft}}{total square feet of living area}
+    \item{\code{age}}{age, in years}
+    \item{\code{d92}}{= 1 if sale in 1992}
+    \item{\code{d93}}{= 1 if sale in 1993}
+    \item{\code{d94}}{= 1 if sale in 1994}
+    \item{\code{d95}}{= 1 if sale in 1995}
+    \item{\code{d96}}{= 1 if sale in 1996}
+  }
+}
+\details{
+%%  ~~ If necessary, more details than the __description__ above ~~
+}
+\source{
+http://principlesofeconometrics.com/poe4/poe4.htm
+}
+\references{
+Dr. John Knight, Department of Finance, University of the Pacific
+}
+\examples{
+data(stockton)
+## maybe str(stockton) ; plot(stockton) ...
+}
+\keyword{datasets}
diff --git a/man/stockton2.Rd b/man/stockton2.Rd
new file mode 100644
index 0000000..a3f6777
--- /dev/null
+++ b/man/stockton2.Rd
@@ -0,0 +1,36 @@
+\name{stockton2}
+\alias{stockton2}
+\docType{data}
+\title{
+Stockton2 Data
+}
+\description{
+Obs:   880 home sales in Stockton, CA during mid-2005
+}
+\usage{data("stockton2")}
+\format{
+  A data frame with 880 observations on the following 7 variables.
+  \describe{
+    \item{\code{price}}{house price, $}
+    \item{\code{sqft}}{total square feet of living area}
+    \item{\code{beds}}{number of bedrooms}
+    \item{\code{baths}}{number of full baths}
+    \item{\code{age}}{age, in years}
+    \item{\code{stories}}{number of stories}
+    \item{\code{vacant}}{vacant	Yes = 1 No = 0}
+  }
+}
+\details{
+%%  ~~ If necessary, more details than the __description__ above ~~
+}
+\source{
+http://principlesofeconometrics.com/poe4/poe4.htm
+}
+\references{
+Dr. John Knight, Department of Finance, University of the Pacific
+}
+\examples{
+data(stockton2)
+## maybe str(stockton2) ; plot(stockton2) ...
+}
+\keyword{datasets}
diff --git a/man/stockton3.Rd b/man/stockton3.Rd
new file mode 100644
index 0000000..453b6b4
--- /dev/null
+++ b/man/stockton3.Rd
@@ -0,0 +1,36 @@
+\name{stockton3}
+\alias{stockton3}
+\docType{data}
+\title{
+Stockton3 Data
+}
+\description{
+Obs:   2610 home sales in Stockton, CA from Oct 1, 1996 to Nov 30, 1998
+}
+\usage{data("stockton3")}
+\format{
+  A data frame with 2610 observations on the following 7 variables.
+  \describe{
+    \item{\code{sprice}}{selling price of home, dollars}
+    \item{\code{livarea}}{living area, hundreds of square feet}
+    \item{\code{beds}}{number of beds}
+    \item{\code{baths}}{number of baths}
+    \item{\code{lgelot}}{=1 if lot size > .5 acres, 0 otherwise}
+    \item{\code{age}}{age of home at time of sale, years}
+    \item{\code{pool}}{=1 if home has pool, 0 otherwise}
+  }
+}
+\details{
+%%  ~~ If necessary, more details than the __description__ above ~~
+}
+\source{
+http://principlesofeconometrics.com/poe4/poe4.htm
+}
+\references{
+Dr. John Knight, Department of Finance, University of the Pacific
+}
+\examples{
+data(stockton3)
+## maybe str(stockton3) ; plot(stockton3) ...
+}
+\keyword{datasets}
diff --git a/man/stockton4.Rd b/man/stockton4.Rd
new file mode 100644
index 0000000..8d835b1
--- /dev/null
+++ b/man/stockton4.Rd
@@ -0,0 +1,36 @@
+\name{stockton4}
+\alias{stockton4}
+\docType{data}
+\title{
+Stockton4 Data
+}
+\description{
+This is a subset of stockton3.dat, the first 1500 observations
+}
+\usage{data("stockton4")}
+\format{
+  A data frame with 1500 observations on the following 7 variables.
+  \describe{
+    \item{\code{sprice}}{selling price of home, dollars}
+    \item{\code{livarea}}{living area, hundreds of square feet}
+    \item{\code{beds}}{number of beds}
+    \item{\code{baths}}{number of baths}
+    \item{\code{lgelot}}{=1 if lot size > .5 acres, 0 otherwise}
+    \item{\code{age}}{age of home at time of sale, years}
+    \item{\code{pool}}{=1 if home has pool, 0 otherwise}
+  }
+}
+\details{
+%%  ~~ If necessary, more details than the __description__ above ~~
+}
+\source{
+http://principlesofeconometrics.com/poe4/poe4.htm
+}
+\references{
+Dr. John Knight, Department of Finance, University of the Pacific
+}
+\examples{
+data(stockton4)
+## maybe str(stockton4) ; plot(stockton4) ...
+}
+\keyword{datasets}
diff --git a/man/stockton96.Rd b/man/stockton96.Rd
new file mode 100644
index 0000000..cc9ee52
--- /dev/null
+++ b/man/stockton96.Rd
@@ -0,0 +1,32 @@
+\name{stockton96}
+\alias{stockton96}
+\docType{data}
+\title{
+Stockton 96 Data
+}
+\description{
+Obs:   940 home sales in Stockton, CA in 1996
+}
+\usage{data("stockton96")}
+\format{
+  A data frame with 940 observations on the following 3 variables.
+  \describe{
+    \item{\code{price}}{house price, $}
+    \item{\code{sqft}}{total square feet of living area}
+    \item{\code{age}}{age, in years}
+  }
+}
+\details{
+%%  ~~ If necessary, more details than the __description__ above ~~
+}
+\source{
+http://principlesofeconometrics.com/poe4/poe4.htm
+}
+\references{
+Dr. John Knight, Department of Finance, University of the Pacific
+}
+\examples{
+data(stockton96)
+## maybe str(stockton96) ; plot(stockton96) ...
+}
+\keyword{datasets}
diff --git a/man/table2_2.Rd b/man/table2_2.Rd
new file mode 100644
index 0000000..ebf9d39
--- /dev/null
+++ b/man/table2_2.Rd
@@ -0,0 +1,40 @@
+\name{table2_2}
+\alias{table2_2}
+\docType{data}
+\title{
+Table2_2 Data
+}
+\description{
+Obs:   40
+}
+\usage{data("table2_2")}
+\format{
+  A data frame with 40 observations on the following 11 variables.
+  \describe{
+    \item{\code{x}}{weekly income in $100 from food.dat}
+    \item{\code{y1}}{weekly food expenditure in $ for household 1}
+    \item{\code{y2}}{weekly food expenditure in $ for household 2}
+    \item{\code{y3}}{weekly food expenditure in $ for household 3}
+    \item{\code{y4}}{weekly food expenditure in $ for household 4}
+    \item{\code{y5}}{weekly food expenditure in $ for household 5}
+    \item{\code{y6}}{weekly food expenditure in $ for household 6}
+    \item{\code{y7}}{weekly food expenditure in $ for household 7}
+    \item{\code{y8}}{weekly food expenditure in $ for household 8}
+    \item{\code{y9}}{weekly food expenditure in $ for household 9}
+    \item{\code{y10}}{weekly food expenditure in $ for household 10}
+  }
+}
+\details{
+%%  ~~ If necessary, more details than the __description__ above ~~
+}
+\source{
+http://principlesofeconometrics.com/poe4/poe4.htm
+}
+\references{
+%%  ~~ possibly secondary sources and usages ~~
+}
+\examples{
+data(table2_2)
+## maybe str(table2_2) ; plot(table2_2) ...
+}
+\keyword{datasets}
diff --git a/man/table_c3.Rd b/man/table_c3.Rd
new file mode 100644
index 0000000..de25d60
--- /dev/null
+++ b/man/table_c3.Rd
@@ -0,0 +1,30 @@
+\name{table_c3}
+\alias{table_c3}
+\docType{data}
+\title{
+Table_c3 Data
+}
+\description{
+Obs:   30 observations from N(10,10) population
+}
+\usage{data("table_c3")}
+\format{
+  A data frame with 30 observations on the following variable.
+  \describe{
+    \item{\code{y}}{Dependent Variable}
+  }
+}
+\details{
+%%  ~~ If necessary, more details than the __description__ above ~~
+}
+\source{
+http://principlesofeconometrics.com/poe4/poe4.htm
+}
+\references{
+%%  ~~ possibly secondary sources and usages ~~
+}
+\examples{
+data(table_c3)
+## maybe str(table_c3) ; plot(table_c3) ...
+}
+\keyword{datasets}
diff --git a/man/table_c4.Rd b/man/table_c4.Rd
new file mode 100644
index 0000000..65d493c
--- /dev/null
+++ b/man/table_c4.Rd
@@ -0,0 +1,41 @@
+\name{table_c4}
+\alias{table_c4}
+\docType{data}
+\title{
+Table_c4 Data
+}
+\description{
+Obs:   30 observations
+
+Ten samples (y1-y10) from normal population with true mean = 10 and true variance = 10.
+}
+\usage{data("table_c4")}
+\format{
+  A data frame with 30 observations on the following 10 variables.
+  \describe{
+    \item{\code{y1}}{dependent variable}
+    \item{\code{y2}}{dependent variable}
+    \item{\code{y3}}{dependent variable}
+    \item{\code{y4}}{dependent variable}
+    \item{\code{y5}}{dependent variable}
+    \item{\code{y6}}{dependent variable}
+    \item{\code{y7}}{dependent variable}
+    \item{\code{y8}}{dependent variable}
+    \item{\code{y9}}{dependent variable}
+    \item{\code{y10}}{dependent variable}
+  }
+}
+\details{
+%%  ~~ If necessary, more details than the __description__ above ~~
+}
+\source{
+http://principlesofeconometrics.com/poe4/poe4.htm
+}
+\references{
+%%  ~~ possibly secondary sources and usages ~~
+}
+\examples{
+data(table_c4)
+## maybe str(table_c4) ; plot(table_c4) ...
+}
+\keyword{datasets}
diff --git a/man/term.Rd b/man/term.Rd
new file mode 100644
index 0000000..cc74c21
--- /dev/null
+++ b/man/term.Rd
@@ -0,0 +1,30 @@
+\name{term}
+\alias{term}
+\docType{data}
+\title{
+Term Data
+}
+\description{
+Obs: 651, daily, (7.02.1996 - 12.29.1998)
+}
+\usage{data("term")}
+\format{
+  A data frame with 651 observations on the following variable.
+  \describe{
+    \item{\code{r}}{difference between 180-day 90-day bank rates}
+  }
+}
+\details{
+%%  ~~ If necessary, more details than the __description__ above ~~
+}
+\source{
+http://principlesofeconometrics.com/poe4/poe4.htm
+}
+\references{
+Reserve Bank of Australia: Statistical Bulletins
+}
+\examples{
+data(term)
+## maybe str(term) ; plot(term) ...
+}
+\keyword{datasets}
diff --git a/man/texas.Rd b/man/texas.Rd
new file mode 100644
index 0000000..9c2dc37
--- /dev/null
+++ b/man/texas.Rd
@@ -0,0 +1,32 @@
+\name{texas}
+\alias{texas}
+\docType{data}
+\title{
+Texa Data
+}
+\description{
+Obs: 57, quarterly, (1974:1 - 1988.1)
+}
+\usage{data("texas")}
+\format{
+  A data frame with 57 observations on the following 3 variables.
+  \describe{
+    \item{\code{rpo}}{real price of oil}
+    \item{\code{txnag}}{Texas nonagricultural employment}
+    \item{\code{usnag}}{nonagricultural employment in the rest of the USA}
+  }
+}
+\details{
+%%  ~~ If necessary, more details than the __description__ above ~~
+}
+\source{
+http://principlesofeconometrics.com/poe4/poe4.htm
+}
+\references{
+Fomby and Hirshberg (1989)
+}
+\examples{
+data(texas)
+## maybe str(texas) ; plot(texas) ...
+}
+\keyword{datasets}
diff --git a/man/tobit.Rd b/man/tobit.Rd
new file mode 100644
index 0000000..325e672
--- /dev/null
+++ b/man/tobit.Rd
@@ -0,0 +1,31 @@
+\name{tobit}
+\alias{tobit}
+\docType{data}
+\title{
+Tobit Data
+}
+\description{
+Obs:   200
+}
+\usage{data("tobit")}
+\format{
+  A data frame with 200 observations on the following 2 variables.
+  \describe{
+    \item{\code{y}}{censored variable}
+    \item{\code{x}}{explanatory variable}
+  }
+}
+\details{
+%%  ~~ If necessary, more details than the __description__ above ~~
+}
+\source{
+http://principlesofeconometrics.com/poe4/poe4.htm
+}
+\references{
+Simulated data
+}
+\examples{
+data(tobit)
+## maybe str(tobit) ; plot(tobit) ...
+}
+\keyword{datasets}
diff --git a/man/tobitmc.Rd b/man/tobitmc.Rd
new file mode 100644
index 0000000..aed761e
--- /dev/null
+++ b/man/tobitmc.Rd
@@ -0,0 +1,38 @@
+\name{tobitmc}
+\alias{tobitmc}
+\docType{data}
+\title{
+Tobitmc Data
+}
+\description{
+%%  ~~ A concise (1-5 lines) description of the dataset. ~~
+}
+\usage{data("tobitmc")}
+\format{
+  A data frame with 1000 observations on the following 9 variables.
+  \describe{
+    \item{\code{B1}}{ols estimate of intercept based on full sample}
+    \item{\code{B2}}{ols estimate of slope based on full sample}
+    \item{\code{sighat}}{esitmate of standard deviation based on b1 and b2}
+    \item{\code{B1PLUS}}{ols estimate of intercept based on positive y}
+    \item{\code{B2PLUS}}{ols estimate of slope based on positive y}
+    \item{\code{sigplus}}{esitmate of standard deviation based on b1plus and b2plus}
+    \item{\code{BETA1}}{tobit estimate of intercept}
+    \item{\code{BETA2}}{tobit estimate of slope}
+    \item{\code{sig}}{tobit estimate of standard deviation}
+  }
+}
+\details{
+%%  ~~ If necessary, more details than the __description__ above ~~
+}
+\source{
+http://principlesofeconometrics.com/poe4/poe4.htm
+}
+\references{
+Simulated data
+}
+\examples{
+data(tobitmc)
+## maybe str(tobitmc) ; plot(tobitmc) ...
+}
+\keyword{datasets}
diff --git a/man/toodyay.Rd b/man/toodyay.Rd
new file mode 100644
index 0000000..d3e1cb9
--- /dev/null
+++ b/man/toodyay.Rd
@@ -0,0 +1,34 @@
+\name{toodyay}
+\alias{toodyay}
+\docType{data}
+\title{
+Toodyay Data
+}
+\description{
+Obs:   48 annual observations for 1950-1997
+}
+\usage{data("toodyay")}
+\format{
+  A data frame with 48 observations on the following 5 variables.
+  \describe{
+    \item{\code{y}}{wheat yield in tonnes per hectare for the toodyay shire of western australia}
+    \item{\code{t}}{trend term to allow for technological change}
+    \item{\code{rg}}{rainfall at germination (may-june)}
+    \item{\code{rd}}{rainfall at development state (july-august)}
+    \item{\code{rf}}{rainfall at flowering (september-october)}
+  }
+}
+\details{
+the unit of measurement for rainfall is centimetres.
+}
+\source{
+http://principlesofeconometrics.com/poe4/poe4.htm
+}
+\references{
+This data was collected by L.Newton for her PhD at the University of New England.
+}
+\examples{
+data(toodyay)
+## maybe str(toodyay) ; plot(toodyay) ...
+}
+\keyword{datasets}
diff --git a/man/transport.Rd b/man/transport.Rd
new file mode 100644
index 0000000..227df70
--- /dev/null
+++ b/man/transport.Rd
@@ -0,0 +1,33 @@
+\name{transport}
+\alias{transport}
+\docType{data}
+\title{
+Transport Data
+}
+\description{
+Obs:   21
+}
+\usage{data("transport")}
+\format{
+  A data frame with 21 observations on the following 4 variables.
+  \describe{
+    \item{\code{autotime}}{commute time via auto, minutes}
+    \item{\code{bustime}}{commute time via bus, minutes}
+    \item{\code{dtime}}{(bus time - auto time)/10, 10 minute units}
+    \item{\code{auto}}{= 1 if auto chosen}
+  }
+}
+\details{
+%%  ~~ If necessary, more details than the __description__ above ~~
+}
+\source{
+http://principlesofeconometrics.com/poe4/poe4.htm
+}
+\references{
+Ben-Akiva and Lerman, Discrete choice analysis, 1985, MIT Press
+}
+\examples{
+data(transport)
+## maybe str(transport) ; plot(transport) ...
+}
+\keyword{datasets}
diff --git a/man/truffles.Rd b/man/truffles.Rd
new file mode 100644
index 0000000..da08900
--- /dev/null
+++ b/man/truffles.Rd
@@ -0,0 +1,34 @@
+\name{truffles}
+\alias{truffles}
+\docType{data}
+\title{
+Truffles Data
+}
+\description{
+Obs 30
+}
+\usage{data("truffles")}
+\format{
+  A data frame with 30 observations on the following 5 variables.
+  \describe{
+    \item{\code{p}}{price of premium truffles, $ per ounce}
+    \item{\code{q}}{quantity of truffles traded in a market period, in ounces}
+    \item{\code{ps}}{price of choice truffles (a substitute), $ per ounce}
+    \item{\code{di}}{per capita disposable income, in units of $1000 per month}
+    \item{\code{pf}}{hourly rental price of truffle pig, $ per hour}
+  }
+}
+\details{
+%%  ~~ If necessary, more details than the __description__ above ~~
+}
+\source{
+http://principlesofeconometrics.com/poe4/poe4.htm
+}
+\references{
+%%  ~~ possibly secondary sources and usages ~~
+}
+\examples{
+data(truffles)
+## maybe str(truffles) ; plot(truffles) ...
+}
+\keyword{datasets}
diff --git a/man/tuna.Rd b/man/tuna.Rd
new file mode 100644
index 0000000..85be264
--- /dev/null
+++ b/man/tuna.Rd
@@ -0,0 +1,35 @@
+\name{tuna}
+\alias{tuna}
+\docType{data}
+\title{
+Tuna Data
+}
+\description{
+Obs:   52 Weekly observations
+}
+\usage{data("tuna")}
+\format{
+  A data frame with 52 observations on the following 6 variables.
+  \describe{
+    \item{\code{sal1}}{number of cans of brand #1 sold during week}
+    \item{\code{apr1}}{average price per can of brand #1 during week}
+    \item{\code{apr2}}{average price per can of brand #2 during week}
+    \item{\code{apr3}}{average price per can of brand #3 during week}
+    \item{\code{disp}}{=1 if store display for brand #1 during week but no newspaper ad}
+    \item{\code{dispad}}{=1 if store display for brand #1 during week and newspaper ad during week}
+  }
+}
+\details{
+%%  ~~ If necessary, more details than the __description__ above ~~
+}
+\source{
+http://principlesofeconometrics.com/poe4/poe4.htm
+}
+\references{
+Nielsen Marketing Research
+}
+\examples{
+data(tuna)
+## maybe str(tuna) ; plot(tuna) ...
+}
+\keyword{datasets}
diff --git a/man/tunafish.Rd b/man/tunafish.Rd
new file mode 100644
index 0000000..39c6e75
--- /dev/null
+++ b/man/tunafish.Rd
@@ -0,0 +1,47 @@
+\name{tunafish}
+\alias{tunafish}
+\docType{data}
+\title{
+Tunafish Data
+}
+\description{
+OBS: 6000 (1500 transactions of 4 choices)
+}
+\usage{data("tunafish")}
+\format{
+  A data frame with 6000 observations on the following 11 variables.
+  \describe{    \item{\code{hhid}}{household occasion}
+    \item{\code{alt}}{alternative brands:
+
+    \code{Skist-water}
+
+    \code{Skist-oil}
+
+    \code{ChiSea-water}
+
+    \code{ChiSea-oil}}
+    \item{\code{br1}}{=1 if Skist-water}
+    \item{\code{br2}}{=1 if Skist-oil}
+    \item{\code{br3}}{=1 if ChiSea-water}
+    \item{\code{br4}}{=1 if ChiSea-oil}
+    \item{\code{choice}}{=1 if purchased}
+    \item{\code{display}}{=1 if the brand was on special display}
+    \item{\code{feature}}{=1 if the brand was featured in sales paper}
+    \item{\code{income}}{household income, $1000}
+    \item{\code{netprice}}{price - coupon value if a coupon were used}
+  }
+}
+\details{
+%%  ~~ If necessary, more details than the __description__ above ~~
+}
+\source{
+http://principlesofeconometrics.com/poe4/poe4.htm
+}
+\references{
+ERIM public data base, James M. Kilts Center, University of Chicago Booth School of Business. Thanks to Dr. Danny Weathers, Marketing Department, LSU for providing data file.
+}
+\examples{
+data(tunafish)
+## maybe str(tunafish) ; plot(tunafish) ...
+}
+\keyword{datasets}
diff --git a/man/tunafish_small.Rd b/man/tunafish_small.Rd
new file mode 100644
index 0000000..e9206fa
--- /dev/null
+++ b/man/tunafish_small.Rd
@@ -0,0 +1,48 @@
+\name{tunafish_small}
+\alias{tunafish_small}
+\docType{data}
+\title{
+Tunafish_small Data
+}
+\description{
+OBS: 1000 (250 transactions of 4 choices)
+}
+\usage{data("tunafish_small")}
+\format{
+  A data frame with 1000 observations on the following 11 variables.
+  \describe{
+    \item{\code{hhid}}{household occasion}
+    \item{\code{alt}}{alternative brands:
+
+    \code{Skist-water}
+
+    \code{Skist-oil}
+
+    \code{ChiSea-water}
+
+    \code{ChiSea-oil}}
+    \item{\code{br1}}{=1 if Skist-water}
+    \item{\code{br2}}{=1 if Skist-oil}
+    \item{\code{br3}}{=1 if ChiSea-water}
+    \item{\code{br4}}{=1 if ChiSea-oil}
+    \item{\code{choice}}{=1 if purchased}
+    \item{\code{display}}{=1 if the brand was on special display}
+    \item{\code{feature}}{=1 if the brand was featured in sales paper}
+    \item{\code{income}}{household income, $1000}
+    \item{\code{netprice}}{price - coupon value if a coupon were used}
+  }
+}
+\details{
+%%  ~~ If necessary, more details than the __description__ above ~~
+}
+\source{
+http://principlesofeconometrics.com/poe4/poe4.htm
+}
+\references{
+Source: ERIM public data base, James M. Kilts Center, University of Chicago Booth School of Business. Thanks to Dr. Danny Weathers, Marketing Department, LSU for providing data file.
+}
+\examples{
+data(tunafish_small)
+## maybe str(tunafish_small) ; plot(tunafish_small) ...
+}
+\keyword{datasets}
diff --git a/man/uk.Rd b/man/uk.Rd
new file mode 100644
index 0000000..92958e3
--- /dev/null
+++ b/man/uk.Rd
@@ -0,0 +1,30 @@
+\name{uk}
+\alias{uk}
+\docType{data}
+\title{
+UK Data
+}
+\description{
+Obs: 589, monthly (1957:06-2006:06)
+}
+\usage{data("uk")}
+\format{
+  A data frame with 589 observations on the following variable.
+  \describe{
+    \item{\code{ukcpi}}{Consumer Price Index of the United Kingdom (seasonally adjusted)}
+  }
+}
+\details{
+%%  ~~ If necessary, more details than the __description__ above ~~
+}
+\source{
+http://principlesofeconometrics.com/poe4/poe4.htm
+}
+\references{
+International Financial Statistics, IMF
+}
+\examples{
+data(uk)
+## maybe str(uk) ; plot(uk) ...
+}
+\keyword{datasets}
diff --git a/man/ukpi.Rd b/man/ukpi.Rd
new file mode 100644
index 0000000..501a4f6
--- /dev/null
+++ b/man/ukpi.Rd
@@ -0,0 +1,31 @@
+\name{ukpi}
+\alias{ukpi}
+\docType{data}
+\title{
+Ukpi Data
+}
+\description{
+Obs: 168, monthly, (1996:1 - 2009.12)
+}
+\usage{data("ukpi")}
+\format{
+  A data frame with 168 observations on the following 2 variables.
+  \describe{
+    \item{\code{euro}}{Consumer Price Index for the Euro Area}
+    \item{\code{uk}}{Consumer Price Index for the United Kingdom}
+  }
+}
+\details{
+%%  ~~ If necessary, more details than the __description__ above ~~
+}
+\source{
+http://principlesofeconometrics.com/poe4/poe4.htm
+}
+\references{
+Reserve Bank of Australia, Statitsical Bulletin
+}
+\examples{
+data(ukpi)
+## maybe str(ukpi) ; plot(ukpi) ...
+}
+\keyword{datasets}
diff --git a/man/uniform1.Rd b/man/uniform1.Rd
new file mode 100644
index 0000000..3212ea2
--- /dev/null
+++ b/man/uniform1.Rd
@@ -0,0 +1,31 @@
+\name{uniform1}
+\alias{uniform1}
+\docType{data}
+\title{
+Uniform1 Data
+}
+\description{
+obs:  1000  uniform random numbers
+}
+\usage{data("uniform1")}
+\format{
+  A data frame with 1000 observations on the following 2 variables.
+  \describe{
+    \item{\code{u1}}{uniform random numbers using seed 12345}
+    \item{\code{u2}}{uniform random numbers using seed 1010101}
+  }
+}
+\details{
+%%  ~~ If necessary, more details than the __description__ above ~~
+}
+\source{
+http://principlesofeconometrics.com/poe4/poe4.htm
+}
+\references{
+Values generated in Stata 11.1 using function runiform()
+}
+\examples{
+data(uniform1)
+## maybe str(uniform1) ; plot(uniform1) ...
+}
+\keyword{datasets}
diff --git a/man/uniform2.Rd b/man/uniform2.Rd
new file mode 100644
index 0000000..44b2f9d
--- /dev/null
+++ b/man/uniform2.Rd
@@ -0,0 +1,31 @@
+\name{uniform2}
+\alias{uniform2}
+\docType{data}
+\title{
+Uniform2 Data
+}
+\description{
+obs:  10000  uniform random numbers
+}
+\usage{data("uniform2")}
+\format{
+  A data frame with 10000 observations on the following 2 variables.
+  \describe{
+    \item{\code{u1}}{uniform random numbers using seed 12345}
+    \item{\code{u2}}{uniform random numbers using seed 1010101}
+  }
+}
+\details{
+%%  ~~ If necessary, more details than the __description__ above ~~
+}
+\source{
+http://principlesofeconometrics.com/poe4/poe4.htm
+}
+\references{
+Values generated in Stata 11.1 using function runiform()
+}
+\examples{
+data(uniform2)
+## maybe str(uniform2) ; plot(uniform2) ...
+}
+\keyword{datasets}
diff --git a/man/uniform3.Rd b/man/uniform3.Rd
new file mode 100644
index 0000000..d0e80c7
--- /dev/null
+++ b/man/uniform3.Rd
@@ -0,0 +1,31 @@
+\name{uniform3}
+\alias{uniform3}
+\docType{data}
+\title{
+Uniform3 Data
+}
+\description{
+obs:  10000  uniform random numbers
+}
+\usage{data("uniform3")}
+\format{
+  A data frame with 10000 observations on the following 2 variables.
+  \describe{
+    \item{\code{u1}}{uniform random numbers}
+    \item{\code{u2}}{uniform random numbers}
+  }
+}
+\details{
+%%  ~~ If necessary, more details than the __description__ above ~~
+}
+\source{
+http://principlesofeconometrics.com/poe4/poe4.htm
+}
+\references{
+Values generated using process described in Appendix B.4.1
+}
+\examples{
+data(uniform3)
+## maybe str(uniform3) ; plot(uniform3) ...
+}
+\keyword{datasets}
diff --git a/man/unit.Rd b/man/unit.Rd
new file mode 100644
index 0000000..5dd26bb
--- /dev/null
+++ b/man/unit.Rd
@@ -0,0 +1,33 @@
+\name{unit}
+\alias{unit}
+\docType{data}
+\title{
+Unit Data
+}
+\description{
+Obs: 199
+}
+\usage{data("unit")}
+\format{
+  A data frame with 199 observations on the following 4 variables.
+  \describe{
+    \item{\code{w}}{AR process}
+    \item{\code{x}}{AR process with trend}
+    \item{\code{y}}{Random walk}
+    \item{\code{z}}{Random walk with drift}
+  }
+}
+\details{
+%%  ~~ If necessary, more details than the __description__ above ~~
+}
+\source{
+http://principlesofeconometrics.com/poe4/poe4.htm
+}
+\references{
+generated series
+}
+\examples{
+data(unit)
+## maybe str(unit) ; plot(unit) ...
+}
+\keyword{datasets}
diff --git a/man/usa.Rd b/man/usa.Rd
new file mode 100644
index 0000000..32067d5
--- /dev/null
+++ b/man/usa.Rd
@@ -0,0 +1,33 @@
+\name{usa}
+\alias{usa}
+\docType{data}
+\title{
+USA Data
+}
+\description{
+Obs: 104, quarterly, (1984:1 - 2009.4)
+}
+\usage{data("usa")}
+\format{
+  A data frame with 104 observations on the following 4 variables.
+  \describe{
+    \item{\code{gdp}}{real US gross domestic product}
+    \item{\code{inf}}{annual inflation rate}
+    \item{\code{f}}{Federal Funds rate}
+    \item{\code{b}}{3-year Bond rate}
+  }
+}
+\details{
+%%  ~~ If necessary, more details than the __description__ above ~~
+}
+\source{
+http://principlesofeconometrics.com/poe4/poe4.htm
+}
+\references{
+Federal Reserve Economic Data, Federal Reserve Bank of St.Louis
+}
+\examples{
+data(usa)
+## maybe str(usa) ; plot(usa) ...
+}
+\keyword{datasets}
diff --git a/man/utown.Rd b/man/utown.Rd
new file mode 100644
index 0000000..a086e13
--- /dev/null
+++ b/man/utown.Rd
@@ -0,0 +1,35 @@
+\name{utown}
+\alias{utown}
+\docType{data}
+\title{
+Utown Data
+}
+\description{
+Obs:   1000 observations
+}
+\usage{data("utown")}
+\format{
+  A data frame with 1000 observations on the following 6 variables.
+  \describe{
+    \item{\code{price}}{house price, in $1000}
+    \item{\code{sqft}}{square feet of living area, in 100's}
+    \item{\code{age}}{house age, in years}
+    \item{\code{utown}}{=1 if close to university}
+    \item{\code{pool}}{=1 if house has pool}
+    \item{\code{fplace}}{=1 if house has fireplace}
+  }
+}
+\details{
+%%  ~~ If necessary, more details than the __description__ above ~~
+}
+\source{
+http://principlesofeconometrics.com/poe4/poe4.htm
+}
+\references{
+%%  ~~ possibly secondary sources and usages ~~
+}
+\examples{
+data(utown)
+## maybe str(utown) ; plot(utown) ...
+}
+\keyword{datasets}
diff --git a/man/vacation.Rd b/man/vacation.Rd
new file mode 100644
index 0000000..545d14a
--- /dev/null
+++ b/man/vacation.Rd
@@ -0,0 +1,33 @@
+\name{vacation}
+\alias{vacation}
+\docType{data}
+\title{
+Vacation Data
+}
+\description{
+Obs:   200
+}
+\usage{data("vacation")}
+\format{
+  A data frame with 200 observations on the following 4 variables.
+  \describe{
+    \item{\code{miles}}{miles traveled per year}
+    \item{\code{income}}{annual income in $1000's}
+    \item{\code{age}}{average age of adult members of household}
+    \item{\code{kids}}{number of children in household}
+  }
+}
+\details{
+A sample of Chicago households.
+}
+\source{
+http://principlesofeconometrics.com/poe4/poe4.htm
+}
+\references{
+%%  ~~ possibly secondary sources and usages ~~
+}
+\examples{
+data(vacation)
+## maybe str(vacation) ; plot(vacation) ...
+}
+\keyword{datasets}
diff --git a/man/var.Rd b/man/var.Rd
new file mode 100644
index 0000000..10f1641
--- /dev/null
+++ b/man/var.Rd
@@ -0,0 +1,31 @@
+\name{var}
+\alias{var}
+\docType{data}
+\title{
+Var Data
+}
+\description{
+Obs: 100
+}
+\usage{data("var")}
+\format{
+  A data frame with 100 observations on the following 2 variables.
+  \describe{
+    \item{\code{w}}{random walk process}
+    \item{\code{z}}{random walk process}
+  }
+}
+\details{
+%%  ~~ If necessary, more details than the __description__ above ~~
+}
+\source{
+http://principlesofeconometrics.com/poe4/poe4.htm
+}
+\references{
+generated time series data
+}
+\examples{
+data(var)
+## maybe str(var) ; plot(var) ...
+}
+\keyword{datasets}
diff --git a/man/vec.Rd b/man/vec.Rd
new file mode 100644
index 0000000..4d0e2ca
--- /dev/null
+++ b/man/vec.Rd
@@ -0,0 +1,31 @@
+\name{vec}
+\alias{vec}
+\docType{data}
+\title{
+Vec Data
+}
+\description{
+Obs: 100
+}
+\usage{data("vec")}
+\format{
+  A data frame with 100 observations on the following 2 variables.
+  \describe{
+    \item{\code{x}}{random walk process}
+    \item{\code{y}}{random walk process}
+  }
+}
+\details{
+%%  ~~ If necessary, more details than the __description__ above ~~
+}
+\source{
+http://principlesofeconometrics.com/poe4/poe4.htm
+}
+\references{
+generated time series data
+}
+\examples{
+data(vec)
+## maybe str(vec) ; plot(vec) ...
+}
+\keyword{datasets}
diff --git a/man/wa_wheat.Rd b/man/wa_wheat.Rd
new file mode 100644
index 0000000..ca1208d
--- /dev/null
+++ b/man/wa_wheat.Rd
@@ -0,0 +1,34 @@
+\name{wa_wheat}
+\alias{wa_wheat}
+\docType{data}
+\title{
+Wa_wheat Data
+}
+\description{
+Obs:   48 observations
+}
+\usage{data("wa_wheat")}
+\format{
+  A data frame with 48 observations on the following 5 variables.
+  \describe{
+    \item{\code{northampton}}{average wheat yield in tonnes per hectare, Northampton Shire, Western Australia}
+    \item{\code{chapman}}{average wheat yield in tonnes per hectare, Chapman Shire, Western Australia}
+    \item{\code{mullewa}}{average wheat yield in tonnes per hectare, Mullewa Shire, Western Australia}
+    \item{\code{greenough}}{average wheat yield in tonnes per hectare, Greenough Shire, Western Australia}
+    \item{\code{time}}{time index, 1,...,48}
+  }
+}
+\details{
+%%  ~~ If necessary, more details than the __description__ above ~~
+}
+\source{
+http://principlesofeconometrics.com/poe4/poe4.htm
+}
+\references{
+%%  ~~ possibly secondary sources and usages ~~
+}
+\examples{
+data(wa_wheat)
+## maybe str(wa_wheat) ; plot(wa_wheat) ...
+}
+\keyword{datasets}
diff --git a/man/warner.Rd b/man/warner.Rd
new file mode 100644
index 0000000..af42369
--- /dev/null
+++ b/man/warner.Rd
@@ -0,0 +1,30 @@
+\name{warner}
+\alias{warner}
+\docType{data}
+\title{
+Warner Data
+}
+\description{
+Obs: 260, daily (3.1.2008-31.12.2008)
+}
+\usage{data("warner")}
+\format{
+  A data frame with 260 observations on the following variable.
+  \describe{
+    \item{\code{warner}}{daily returns on shares in Time Warner Inc}
+  }
+}
+\details{
+Share prices were not available on 21-January, 18-February, 21-March, 26-May, 4-July, and 1-September. The share price for each of those days were assummed to be the same as the closing share price of the day before.
+}
+\source{
+http://principlesofeconometrics.com/poe4/poe4.htm
+}
+\references{
+http://wwww.google.com/finance
+}
+\examples{
+data(warner)
+## maybe str(warner) ; plot(warner) ...
+}
+\keyword{datasets}