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Added datasets from JAC paper

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commit 6d098ceb3143158fda4944d49e0928b19795b26e 1 parent 0fff8ef
authored July 13, 2012
60  R/gppois.R
@@ -9,6 +9,66 @@
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 #' @import R.oo
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 NULL
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+#' Simulated X-ray diffraction from 2nm Au NPs
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+#'
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+#' Simulated X-ray diffraction data from gold (Au) nanoparticles, 2 nm in
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+#' diameter.  A Poisson-noised version is included.  Both columns generated by
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+#' Katharine Mullen using \pkg{nanop} and \code{\link[stats]{rpois}}.
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+#'
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+#' This dataset was used in Hogg et al. (2012).
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+#'
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+#' \itemize{
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+#'   \item Q:  Q-values where we have measurements. (Q is known as the
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+#'      \dQuote{wavenumber}; it is the independent variable in scattering
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+#'      experiments.)
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+#'   \item noisy:  Simulated noisy measurements of the scattered x-ray
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+#'      intensity, in units of counts; Poisson noise has been generated relative
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+#'      to the true function.
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+#'   \item true:  The true scattered intensity at each Q-value, as calculated
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+#'      from physical principles by the \pkg{nanop} package.
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+#' }
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+#'
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+#' @references  Hogg, C., K. Mullen, and I. Levin (2012). A Bayesian approach for
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+#'    denoising one-dimensional data. Journal of Applied Crystallography, 45(3),
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+#'    pp. 471-481.
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+#' 
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+#' @docType data
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+#' @keywords datasets
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+#' @name simXrayAu2nm
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+#' @usage data(simXrayAu2nm)
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+#' @format A data.frame with 3 variables and 6601 rows
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+NULL
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+
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+#' Powder x-ray diffraction from 20nm TiO2 NPs
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+#'
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+#' Powder X-ray diffraction data from titania (TiO2) nanoparticles, 20 nm in
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+#' diameter.  Includes a high-noise version (low count times) and a lower-noise
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+#' version as a proxy for the true function (which is of course unknonwn in
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+#' experimental settings).  The latter function is based on a long-count-time
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+#' run, corrected for various systematic effects by procedures described in the
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+#' Supplemental Material for Hogg et al. (2012).
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+#'
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+#' \itemize{
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+#'   \item Q:  Q-values where we have measurements. (Q is known as the
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+#'      \dQuote{wavenumber}; it is the independent variable in scattering
  54
+#'      experiments.)
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+#'   \item noisy:  Noisy measurements of the scattered x-ray intensity, in units
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+#'      of counts.
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+#'   \item low.noise:  A long-count-time version of the measurement, processed
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+#'      to correct for source intensity fluctuations and the like.
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+#' }
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+#'
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+#' @references  Hogg, C., K. Mullen, and I. Levin (2012). A Bayesian approach for
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+#'    denoising one-dimensional data. Journal of Applied Crystallography, 45(3),
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+#'    pp. 471-481.
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+#' 
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+#' @docType data
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+#' @keywords datasets
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+#' @name xrayTiO2np20nm
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+#' @usage data(xrayTiO2np20nm)
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+#' @format A data.frame with 3 variables and 10769 rows
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+NULL
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+
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 #' Strain on a stretched steel plate
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 #'
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 #' A dataset containing digital image correlation (DIC) measurements of strain
BIN  data/simXrayAu2nm.rda
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BIN  data/xrayTiO2np20nm.rda
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31  man/simXrayAu2nm.Rd
... ...
@@ -0,0 +1,31 @@
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+\docType{data}
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+\name{simXrayAu2nm}
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+\alias{simXrayAu2nm}
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+\title{Simulated X-ray diffraction from 2nm Au NPs}
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+\format{A data.frame with 3 variables and 6601 rows}
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+\description{
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+  Simulated X-ray diffraction data from gold (Au)
  8
+  nanoparticles, 2 nm in diameter.  A Poisson-noised
  9
+  version is included.  Both columns generated by Katharine
  10
+  Mullen using \pkg{nanop} and \code{\link[stats]{rpois}}.
  11
+}
  12
+\details{
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+  This dataset was used in Hogg et al. (2012).
  14
+
  15
+  \itemize{ \item Q: Q-values where we have measurements.
  16
+  (Q is known as the \dQuote{wavenumber}; it is the
  17
+  independent variable in scattering experiments.)  \item
  18
+  noisy: Simulated noisy measurements of the scattered
  19
+  x-ray intensity, in units of counts; Poisson noise has
  20
+  been generated relative to the true function.  \item
  21
+  true: The true scattered intensity at each Q-value, as
  22
+  calculated from physical principles by the \pkg{nanop}
  23
+  package. }
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+}
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+\references{
  26
+  Hogg, C., K. Mullen, and I. Levin (2012). A Bayesian
  27
+  approach for denoising one-dimensional data. Journal of
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+  Applied Crystallography, 45(3), pp. 471-481.
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+}
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+\keyword{datasets}
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+
31  man/xrayTiO2np20nm.Rd
... ...
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+\docType{data}
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+\name{xrayTiO2np20nm}
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+\alias{xrayTiO2np20nm}
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+\title{Powder x-ray diffraction from 20nm TiO2 NPs}
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+\format{A data.frame with 3 variables and 10769 rows}
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+\description{
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+  Powder X-ray diffraction data from titania (TiO2)
  8
+  nanoparticles, 20 nm in diameter.  Includes a high-noise
  9
+  version (low count times) and a lower-noise version as a
  10
+  proxy for the true function (which is of course unknonwn
  11
+  in experimental settings).  The latter function is based
  12
+  on a long-count-time run, corrected for various
  13
+  systematic effects by procedures described in the
  14
+  Supplemental Material for Hogg et al. (2012).
  15
+}
  16
+\details{
  17
+  \itemize{ \item Q: Q-values where we have measurements.
  18
+  (Q is known as the \dQuote{wavenumber}; it is the
  19
+  independent variable in scattering experiments.)  \item
  20
+  noisy: Noisy measurements of the scattered x-ray
  21
+  intensity, in units of counts.  \item low.noise: A
  22
+  long-count-time version of the measurement, processed to
  23
+  correct for source intensity fluctuations and the like. }
  24
+}
  25
+\references{
  26
+  Hogg, C., K. Mullen, and I. Levin (2012). A Bayesian
  27
+  approach for denoising one-dimensional data. Journal of
  28
+  Applied Crystallography, 45(3), pp. 471-481.
  29
+}
  30
+\keyword{datasets}
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+

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