bms {pblm} | R Documentation |
A British male sample on occupational status.
Description
These data were analyzed by Goodman (1979) and concern the cross-classification of a sample of fathers and their sons according to the occupational status.
Usage
data(bms)
Format
A data frame with 49 observations and 3 variables.
fathers
fathers'occupational status. A factor with levels from 1 to 7.
sons
sons'occupational status. A factor with levels from 1 to 7.
freq
a vector of integers representing the number of people cross-classified according to the occupational status of
fathers
andsons
Source
Goodman, L. A. (1979). Simple models for the analysis of
cross-classications having ordered categories. Journal of the
American Statistical Association, 74(367), 537-552.
Examples
data(bms)
xtabs(freq ~ fathers + sons, data=bms)
[Package pblm version 0.1-12 Index]