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

Files: data/bos3.rda data/bos4.rda
Documented: man/bos.Rd
  Bronchiolitis obliterans syndrome after lung transplants
  .
  A dataset containing histories of bronchiolitis obliterans syndrome
  (BOS) from lung transplant recipients. BOS is a chronic decline
  in lung function, often observed after lung transplantation.
  The condition is classified into four stages of severity: none, mild, moderate
  and severe.
  .
  The bos3.rda and bos4.rda files contain the same data, but
  with mild/moderate/severe combined, and moderate/severe combined,
  to give 3 and 4-state representations respectively.

Files: data/msmdata.rda
Documented: man/aneur.Rd man/bos.Rd man/cav.Rd man/fev.Rd man/psor.Rd
  This file contains five datasets (aneur, bos, cav, fev, psor) which are
  non-generated medical data, and which are documented in their respective .Rd
  files.

 -- Sébastien Villemot <sebastien@debian.org>, Thu, 16 Nov 2017 17:29:19 +0100

