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st: RE: RE: pwcorr


From   "Nick Cox" <n.j.cox@durham.ac.uk>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: RE: RE: pwcorr
Date   Fri, 15 Aug 2003 10:11:54 +0100

Karen Matsuoka asked 

> Does anyone know the technical details about the "pwcorr" 
> command? For
> example, how does it compute the correlation coefficients, 
> and what test of
> significance is it running?
 
John Wallace replied 

> The details are at the installation package .hlp file from 
> STB-49.  You can
> find it using 
> 
> .search pwcorr, net

John is confusing the -pwcorr- command, which is built into 
official Stata, with -pwcorrs-, which was written by Fred 
Wolfe and published in STB-35 and STB-49. 

-pwcorr- calculates Pearson (product-moment) calculations. 

-pwcorr- is documented at [R] correlate. The estimation 
procedure and significance test used are documented on 
p.232 of that entry in the version 8 manuals. 

Nick 
n.j.cox@durham.ac.uk 

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