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st: error using lincom with stored estimationresults


From   Sarah Lee <sllee@uchicago.edu>
To   statalist@hsphsun2.harvard.edu
Subject   st: error using lincom with stored estimationresults
Date   Fri, 20 Oct 2006 09:00:28 -0500 (CDT)

Hello all,

I'm having trouble successfully computing linear 
combinations of coefficients on a set of stored estimation 
results.

For instance:

. test pctile73X1993 year_1993

 ( 1)  pctile73X1993 = 0
 ( 2)  year_1993 = 0

       F(  2,   362) =    0.83
            Prob > F =    0.4365

. lincom pctile73X1993+year_1993
pctile73X1993 not found
r(111);

Any ideas why pctile73X1993 is recognized with  -test- , but 
not with -lincom-?

Thank you,
Sarah Lee
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