Explanation for binary files inside source package according to
  http://lists.debian.org/debian-devel/2013/09/msg00332.html

Files: data/beets.rda
Documentation: man/beets.Rd
  -> Yield and sugar percentage in sugar beets from a split plot experiment. 

Files: data/budworm.rda
Documentation: man/budworm.Rd
  -> Effect of Insecticide on survivial of tobacco budworms number of killed budworms.

 -- Dirk Eddelbuettel <edd@debian.org>, Tue,  5 Jun 2018 21:05:48 -0500
