@subsubheading Description

Cross-classification of a sample of British males according to each subject’s
occupational status and his father’s occupational status.

@subsubheading Format

An 8-by-8 matrix of counts, with classifying fators @code{origin} (father’s
occupational status, levels 1:8) and @code{destination} (son’s
occupational status, levels 1:8).

@subsubheading Source

Goodman, L. A. (1979). Simple Models for the Analysis of Association in
Cross-Classifications having Ordered Categories. @cite{J. Am. Stat.
Assoc.}, 74 (367), 537–552.

@subsubheading Examples

@example
@INCLUDE_DATASET_EXAMPLE_SCRIPT{BJsales_1.m}
@end example
