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

Files: data/Bollen.rda
Documented: man/Bollen.Rd
  Bollen's Data on Industrialization and Political Democracy

Files: data/CNES.rda
Documented: man/CNES.Rd
  Variables from the 1997 Canadian National Election Study

Files: data/Tests.rda
Documented: man/Tests.Rd
  Six Mental Tests

 -- Andreas Tille <tille@debian.org>  Wed, 25 Oct 2017 09:04:18 +0200
