This R package contains data and vignette files for a Pigeon Pea (Cajanus cajan) project from a Indo-Swiss Collaboration in Biotechnology (ISCB) training course on proteome informatics given from January 21th to January 25th 2017 at the National Research Centre on Plant Biotechnology (NRCPB) in New Delhi-110012 by JG, WEW, and CP.