minn38                 package:MASS                 R Documentation

Minnesota High School Graduates of 1938

Description:

     The Minnesota high school graduates of 1938 were classified
     according to four factors, described below.  The 'minn38' data
     frame has 168 rows and 5 columns.

Usage:

     minn38

Format:

     This data frame contains the following columns:

     'hs' high school rank: '"L"', '"M"' and '"U"' for lower, middle
          and upper third.

     'phs' post high school status: Enrolled in college, ('"C"'),
          enrolled in non-collegiate school, ('"N"'), employed
          full-time, ('"E"') and other, ('"O"').

     'fol' father's occupational level, (seven levels, '"F1"', '"F2"',
          ..., '"F7"').

     'sex' sex: factor with levels'"F"' or '"M"'.

     'f' frequency.


Source:

     From R. L. Plackett, (1974) _The Analysis of Categorical Data._
     London: Griffin

     who quotes the data from

     Hoyt, C. J., Krishnaiah, P. R. and Torrance, E. P. (1959) Analysis
     of complex contingency tables, _J. Exp. Ed._ *27*, 187-194.

