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: data/AOH.rda
Documentation: man/AOH.Rd
  Example data set:
  491 subjects are cross-classified according to the three factors:
  hypertension (hyp; 2 levels), obesity (obe; 3 levels) and alcohol (alc;
  4 levels). There are a total of 24 cells in the table.

Files: data/heart.rda
Documentation: man/heart.Rd
  Example data set:
  1841 men are cross-classified according to six risk factors for 
  coronary heart disease: smoking (A; 2 levels), strenuous mental 
  work (B; 2 levels), strenuous physical work (C; 2 levels), 
  systolic blood pressure (D; 2 levels), ratio of alpha and beta 
  lipoproteins (E; 2 levels) and family anamnesis of coronary 
  heart disease (F; 2 levels).

Files: data/ScotPWID.rda
Documentation: man/ScotPWID.Rd
  Example data set:
  5670 people who inject drugs (PWID) in Scotland in 2006 are osberved by 
  four sources: social enquiry reports (S1), hospital records (S2), 
  Scottish drug misuse database (S3) and Hepatitis C virus  (HCV) diagnosis 
  database (S4). The PWID are further cross-classified according to three 
  additional factors: region (Region; 2 levels), gender (Gender; 2 
  levels) and age (Age; 2 levels).

Files: data/spina.rda
Documentation: man/spina.Rd
  Example data set:
  621 people born with Spina Bifida (a congenital disorder) in the state 
  of New York between 1969 and 1974 are observed by three sources: 
  birth certificates (S1); death certificates (S2); and medical 
  rehabilitation lists (S3). The people are also cross-classified 
  according to their ethnicity (eth; 3 levels). 
