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RE: st: RE: easy command for correlation tables???


From   "Nick Cox" <n.j.cox@durham.ac.uk>
To   <statalist@hsphsun2.harvard.edu>
Subject   RE: st: RE: easy command for correlation tables???
Date   Mon, 17 Nov 2008 17:34:18 -0000

Pearson and Spearman correlations are measures of the strength of
different kinds of relationship, linear and monotonic to be precise.
This is well explained in many introductory books, so you just need to
keep looking. Books on nonparametric statistics usually emphasise the
advantages of Spearman, although less commonly its limitations. 

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

Bastian Steingros

Do you know why many studies report the pearson and the spearman
correlation coefficients?
I have looked in some statistic books but they did not explain well why
one should both...

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