Switch to README.Rmd style

Do not forget to compile README.Rmd to README.md before commits/releases

.Rbuildignore

@@ -7,4 +7,6 @@ checks
 .Rapp.history
 .travis.yml
 cran-comments.md
-internal_files
+internal_files
+^README\.Rmd$
+^README-.*\.png$

README.Rmd

@@ -0,0 +1,110 @@
+---
+output:
+  md_document:
+    variant: gfm
+---
+
+<!-- README.md is generated from README.Rmd. Please edit that file 
+rmarkdown::render("README.rmd")
+-->
+
+```{r, echo = FALSE}
+knitr::opts_chunk$set(
+  collapse = TRUE,
+  comment = "#>",
+  fig.path = "README-"
+)
+```
+
+
+[![Build Status](https://travis-ci.org/nicebread/RSA.svg?branch=master)](https://travis-ci.org/nicebread/RSA)
+[![Last-changedate](https://img.shields.io/badge/last%20change-`r gsub('-', '--', Sys.Date())`-yellowgreen.svg)](/commits/master)
+```{r, echo = FALSE} 
+	version <- as.vector(read.dcf('DESCRIPTION')[, 'Version']) 
+	version <- gsub('-', '.', version)
+``` 
+[![packageversion](https://img.shields.io/badge/Package%20version-`r version`-orange.svg?style=flat-square)](commits/master)
+![](http://cranlogs.r-pkg.org/badges/RSA)
+
+RSA
+===
+
+An R package for Response Surface Analysis
+
+## Installation
+The stable CRAN version can be installed by:
+
+    install.packages("RSA", dependencies=TRUE)
+
+The current development version can be installed by:
+
+	install.packages(c("devtools", "lavaan", "plyr", "ggplot2", "lattice", "tkrplot", "RColorBrewer", "rgl", "gridExtra", "aplpack", "fields", "SDMTools", "qgraph", "AICcmodavg"), dependencies=TRUE)
+    library(devtools)
+    install_github("nicebread/RSA")
+
+
+## Information
+
+* An email list for asking questions related to the RSA-package has been created at Google groups: https://groups.google.com/forum/?fromgroups&hl=en#!forum/rsa-in-r
+
+
+## Demo script (with built-in data set)
+
+    # if not already done: 
+    # install the RSA package
+    # (only has to be done once)
+    # install.packages("RSA")
+
+    # load the RSA package for
+    # the active session
+    library(RSA)
+
+    # open the help page
+    ?RSA
+
+    ## Motive congruency example
+    # load the built-in data set
+    data(motcon)
+
+    # Compute the RSA and save the result
+    # into the new variable r1
+    r1 <- RSA(postVA ~ ePow * iPow, data=motcon)
+
+    # Show summary of the RSA
+    print(r1)
+
+    # Compare all models
+    compare(r1, plot=TRUE)
+	aictab(r1, plot=TRUE)
+
+    # Show all RSA parameters with parametric
+    # SEs, p values, and CIs
+    getPar(r1, "coef", model="RR")
+
+    # Standard CIs
+    c1 <- confint(r1, model="RR")
+    c1
+
+    # Get bootstrapped confidence intervals
+    # (5000 bootstrap replications), 
+    # only from the RR model
+    c2 <- confint(r1, model="RR", method="boot", R=5000)
+    c2
+
+    # Plot the final model
+    plot(r1, model="RR", 
+    	xlab="Explicit power motive",
+        ylab="Implicit power motive",
+        zlab="Affective valence")
+          
+
+    ## Additional functions
+    # contour plot
+    plot(r1, model="RR", type="contour")
+
+    # interactive, rotatable 3d plot
+    plot(r1, model="RR", type="interactive")
+
+    # open an interactive widget with control
+    # sliders for regression weights
+    demoRSA()

README.md

@@ -1,30 +1,39 @@
-[![Build Status](https://travis-ci.org/nicebread/RSA.svg?branch=master)](https://travis-ci.org/nicebread/RSA)
+<!-- README.md is generated from README.Rmd. Please edit that file 
+rmarkdown::render("README.rmd")
+-->
 
+[![Build
+Status](https://travis-ci.org/nicebread/RSA.svg?branch=master)](https://travis-ci.org/nicebread/RSA)
+[![Last-changedate](https://img.shields.io/badge/last%20change-2018--12--13-yellowgreen.svg)](/commits/master)
 
-RSA
-===
+[![packageversion](https://img.shields.io/badge/Package%20version-0.9.13-orange.svg?style=flat-square)](commits/master)
+![](http://cranlogs.r-pkg.org/badges/RSA)
+
+# RSA
 
 An R package for Response Surface Analysis
 
 ## Installation
+
 The stable CRAN version can be installed by:
 
     install.packages("RSA", dependencies=TRUE)
 
-The current development version can be installed by:
+The current development version can be installed
+    by:
 
-	install.packages(c("devtools", "lavaan", "plyr", "ggplot2", "lattice", "tkrplot", "RColorBrewer", "rgl", "gridExtra", "aplpack", "fields", "SDMTools", "qgraph", "AICcmodavg"), dependencies=TRUE)
+    install.packages(c("devtools", "lavaan", "plyr", "ggplot2", "lattice", "tkrplot", "RColorBrewer", "rgl", "gridExtra", "aplpack", "fields", "SDMTools", "qgraph", "AICcmodavg"), dependencies=TRUE)
     library(devtools)
     install_github("nicebread/RSA")
 
-
 ## Information
 
-* An email list for asking questions related to the RSA-package has been created at Google groups: https://groups.google.com/forum/?fromgroups&hl=en#!forum/rsa-in-r
-
+  - An email list for asking questions related to the RSA-package has
+    been created at Google groups:
+    <https://groups.google.com/forum/?fromgroups&hl=en#!forum/rsa-in-r>
 
 ## Demo script (with built-in data set)
-    
+
     # if not already done: 
     # install the RSA package
     # (only has to be done once)
@@ -50,7 +59,7 @@ The current development version can be installed by:
 
     # Compare all models
     compare(r1, plot=TRUE)
-	aictab(r1, plot=TRUE)
+    aictab(r1, plot=TRUE)
 
     # Show all RSA parameters with parametric
     # SEs, p values, and CIs
@@ -68,7 +77,7 @@ The current development version can be installed by:
 
     # Plot the final model
     plot(r1, model="RR", 
-    	xlab="Explicit power motive",
+        xlab="Explicit power motive",
         ylab="Implicit power motive",
         zlab="Affective valence")