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st: A problem with grqreg (confidence intervals by quantiles)


From   PatrickT@umac.mo
To   statalist@hsphsun2.harvard.edu
Subject   st: A problem with grqreg (confidence intervals by quantiles)
Date   Fri, 18 May 2007 06:44:07 +0800

Hi there,

I'm having a problem with grqreg, a stata module to graph confidence
intervals for quantiles.

I have the Dec. 2006 version of grqreg.
I am using the card dataset from http://www.stata.com/texts/eacsap/

The following works:
qreg lwage educ
grqreg, ci olsci

But if I add regressors, it fails:
qreg lwage educ exper expersq black south smsa smsa66 reg661-reg668
grqreg, ci olsci

The error message is "labels.Arrpush invalid name"

Any ideas where the problem might come from is warmly welcome!

Patrick.

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