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st: AW: Re: Bug in StataIC/10.1


From   "Martin Weiss" <martin.weiss1@gmx.de>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: AW: Re: Bug in StataIC/10.1
Date   Thu, 22 Oct 2009 16:46:37 +0200

<> 

" I would be grateful if someone can give me a clue on what is causing this
error massege in Stata 10 but NOT in Stata 9."


Listers are more likely to punish you for blatant non-compliance with the
FAQ...


HTH
Martin


-----Ursprüngliche Nachricht-----
Von: owner-statalist@hsphsun2.harvard.edu
[mailto:owner-statalist@hsphsun2.harvard.edu] Im Auftrag von Babak Oskooei
Gesendet: Donnerstag, 22. Oktober 2009 16:47
An: statalist@hsphsun2.harvard.edu
Betreff: st: Re: Bug in StataIC/10.1

Dear all, 

Re: Bug in StataIC/10.1

There seems to be a bug in Stata 10. I attached the dataset that I used to
fir a Cox PH model. It is simply a survival-time dataset which has already
been stset. The covariate is x and I try to fit a univariate Cox PH model
with x as the sole covariate. So I typed:

stcox x

But Stata 10 gives me an error massage as:

"flat region resulting in a missing likelihood"

Please brear in mind that I can perform the same analysis in Stata 9 without
any problem. I would be grateful if someone can give me a clue on what is
causing this error massege in Stata 10 but NOT in Stata 9.

Looking forward to hearing from you.

Babak Oskooei
MRC Clinical Trials Unit
London


      


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