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st: RE: re: statsby slowness


From   "Nick Cox" <n.j.cox@durham.ac.uk>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: RE: re: statsby slowness
Date   Mon, 20 Aug 2007 15:22:02 +0100

-sqrt()- can be much faster than powering to 0.5. 

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

> -----Original Message-----
> From: owner-statalist@hsphsun2.harvard.edu
> [mailto:owner-statalist@hsphsun2.harvard.edu]On Behalf Of David Airey
> Sent: 20 August 2007 15:13
> To: statalist@hsphsun2.harvard.edu
> Subject: st: re: statsby slowness
> 
> 
> .
> 
> These improvements sped up obtaining my 22,000 spearman correlations  
> to 45 seconds, from 50 something. Very nice! Thank you. I had  
> forgotten to look for all "in" versus "if" substitutions I could make.
> 

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