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RE:RE: st: Computing local variance


From   Maarten buis <maartenbuis@yahoo.co.uk>
To   stata list <statalist@hsphsun2.harvard.edu>
Subject   RE:RE: st: Computing local variance
Date   Fri, 20 Feb 2009 23:06:29 +0000 (GMT)

Oops, the line:
 res[i,1] = sqrt(variance(data[|k0,1\k1,1|]))

should have been:
 res[i,1] = sqrt(variance(data[|k0,2\k1,2|]))

That is, I was computing the local standard
deviation of X (the first column of data) rather than 
Y (the second column of data).

Sorry,
Maarten

-----------------------------------------
Maarten L. Buis
Department of Social Research Methodology
Vrije Universiteit Amsterdam
Boelelaan 1081
1081 HV Amsterdam
The Netherlands

visiting address:
Buitenveldertselaan 3 (Metropolitan), room N515

+31 20 5986715

http://home.fsw.vu.nl/m.buis/
-----------------------------------------


      

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