Now GRAPES is available as a package in R. Install package "grapesAgri1" from CRAN (Comprehensive R Archive Network) or Github in R and enjoy your analysis. Read below for more details.

For more details see

https://cran.r-project.org › package=grapesAgri1

https://cran.r-project.org/web/packages/grapesAgri1/grapesAgri1.pdf