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

Files: data/vigour.rda
Documented: man/vigour.Rd
  Growth vigour of stands of spruce trees in New Brunswick, Canada. \usage{data("vigour")

 -- Andreas Tille <tille@debian.org>  Tue, 16 Jul 2019 10:54:19 +0200
