🚀 go-pugleaf

In article <9201262139.AA11010@unssun>, beekun@UNSSUN.NEVADA.EDU (R. I. Beekun) writes:
>I have a categorical variable that I wish to correlate with a number of
>continuous variables.  The categorical variable has four categories (i.e. a
>firm can be either in category A or B or C or D).  I have been looking
>up my statistics reference books, but cannot get a clear answer.
>
>Which type of correlation is appropriate for this situation? Would
>Kendall's tau or Spearman's coefficient be more appropriate than
>Pearson's coefficient?

I think a more appropriate statistic would be something called a
point biserial coefficient.  I vaguely remember reading about this 
in Nunnally, but I think it was appropriate for continuous-categorical
analyses.

___________________________________________________________________________
Mike Kattan                       | Internet: kattan@jetson.uh.edu         
Decision and Information Sciences | Bitnet:   kattan@uhupvm1  kattan@jetson
University of Houston             | Phone:    (713) 749-6789  Fax: 749-6765
===========================================================================