[R] correlation matrix for mixed contin/nominal/ordinal variables
friendly at yorku.ca
Tue Mar 26 15:49:42 CET 2002
I have a consulting client with data containing a mixture of
continuous, nominal, and ordinal variables, who wishes
to do some correlational analyses.
Ignoring for the moment whether this is wise or useful,
is there some way to calculate a matrix using, for example,
polychoric correlations for pairs of nominal variables,
or correlations based on normal scores for ordinal variables?
[The PRELIS program, part of LISREL does this, with a
variety of options.]
Michael Friendly friendly at yorku.ca
York University http://www.math.yorku.ca/SCS/friendly.html
4700 Keele Street Tel: (416) 736-5115 x66249
Toronto, Ontario, M3J 1P3 Fax: (416) 736-5814
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