st: Storing a correlation matrix

[Marcello Pagano <pagano@hsph.harvard.edu>]

Dear Listers,

Bill Gould in 1999 answered the question of how to store pairwise 
correlations of a varlist in a matrix--basically calculate the 
covariance matrix and then convert it into a correlation matrix.  The 
problem with that answer is that it does not use all the data--basically 
the difference between -corr-and -pwcorr-.  Does anyone have a better 
answer, one that uses all the data, like -pwcorr- does?

Thanks,

m.p.
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