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st: Re:collapse update


From   baum <baum@bc.edu>
To   statalist@hsphsun2.harvard.edu
Subject   st: Re:collapse update
Date   Wed, 11 Sep 2002 08:56:09 -0400

--On Wednesday, September 11, 2002 2:33 -0400 Alejandro wrote:

I'm collapsing the standard deviation for a set of variables (monthly
frequency):

collapse (sd) er rer, by(country_name year)

but if for example one country doesn't have data for all the year, i'm
getting a 0 instead of a missing value after doing the collapse, do you
know how can i solve this ?

Alejandro Riano
I identified this disagreeable behavior earlier this summer, and StataCorp fixed it in the 2 August 2002 update, as 'help whatsnew' will show in an up-to-date Stata.

Kit
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