Packages with the R use flag

dev-lang / yap : YAP is a high-performance Prolog compiler

  • Enable support for connecting R to Prolog

dev-util / diffoscope : Will try to get to the bottom of what makes files or directories different

  • Use dev-lang/R

kde-apps / cantor : Interface for doing mathematics and scientific computing

  • Enable dev-lang/R backend support

sci-mathematics / gretl : Regression, econometrics and time-series library

  • Enable support for dev-lang/R

sci-mathematics / mathematica : Wolfram Mathematica

  • Enable dev-lang/R backend support

sci-physics / root : C++ data analysis framework and interpreter from CERN

  • Enable support for dev-lang/R