@subsubheading Description

A correlation matrix of 24 psychological tests given to 145 seventh and
eighth-grade children in a Chicago suburb by Holzinger and Swineford.

@subsubheading Format

@table @code
@item cov
A 2-dimensional correlation matrix.
@item vars
Names of the variables corresponding to the indexes along the dimensions of
@code{cov}.
@end table

@subsubheading Source

Harman, H. H. (1976). @cite{Modern Factor Analysis}, Third Edition
Revised. Chicago: University of Chicago Press. Table 7.4.

@subsubheading Examples

@example
@INCLUDE_DATASET_EXAMPLE_SCRIPT{Harman74cor_1.m}
@end example
