If you use SRMData and have suggestions for improvement or have found bugs, please email me at robitzsch@ipn.uni-kiel.de.
The official version of SRMData is hosted on CRAN and may be found here.
The CRAN version can be installed from within R using:
utils::install.packages("SRMData")
The version hosted here is the development version of SRMData.
The GitHub version can be installed using devtools as:
devtools::install_github("alexanderrobitzsch/SRMData")