[Gretl-users] Spearman Rank correlation

Allin Cottrell cottrell at wfu.edu
Thu Jul 26 01:13:00 EDT 2007


On Wed, 25 Jul 2007, Angelo Secchi wrote:

> I've noticed a strange behaviour of GRETL with Rank 
> Correlation...

I hope this is fixed now, in CVS and the current Windows snapshot 
at

http://ricardo.ecn.wfu.edu/pub/gretl/gretl_install.exe

I think the problem was incorrect treatment of the case where 
there are ties in the rank calculation.  This area of gretl hasn't 
been examined in quite a long time.  I would be glad to receive 
reports of good or bad behaviour with the modified gretl,

Allin Cottrell


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