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

This package contains several example data sets

Files: gam.data.RData
       gam.newdata.RData
Documentation: man/gam.data.Rd
  A simple simulated dataset, used to test out the gam functions

Files: kyphosis.RData
Documentation: man/kyphosis.Rd
