Statalist


[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: st: Procedure stcox fails in Stata 10


From   Richard J Stoll <stoll@rice.edu>
To   "statalist@hsphsun2.harvard.edu" <statalist@hsphsun2.harvard.edu>
Subject   Re: st: Procedure stcox fails in Stata 10
Date   Fri, 2 Oct 2009 16:33:16 -0500 (CDT)

The variables drug and age are not in the dataset kva.....

On Fri, 2 Oct 2009, Grealy, Patrick J wrote:

> Did I corrupt my Stata install or has anyone else noticed a problem with stcox all of a sudden? After applying latest updates, Oct 1 version, the stcox procedure fails to execute. For example:
>
> . version
> version 10.1
>
> . update all
>
> --------------------------------------------------------------------------------
> > update ado
> (contacting http://www.stata.com)
> ado-files already up to date
>
> --------------------------------------------------------------------------------
> > update utilities
> (contacting http://www.stata.com)
> utilities already up to date
>
> --------------------------------------------------------------------------------
> > update executable
> (contacting http://www.stata.com)
> executable already up to date
>
> . webuse kva
> (Generator experiment)
>
> . stset failtime
>
>      failure event:  (assumed to fail at time=failtime)
> obs. time interval:  (0, failtime]
>  exit on or before:  failure
>
> ------------------------------------------------------------------------------
>        12  total obs.
>         0  exclusions
> ------------------------------------------------------------------------------
>        12  obs. remaining, representing
>        12  failures in single record/single failure data
>       896  total analysis time at risk, at risk from t =         0
>                              earliest observed entry t =         0
>                                   last observed exit t =       140
>
> . stcox drug age
> invalid syntax
> r(197);
>
>
> *
> *   For searches and help try:
> *   http://www.stata.com/help.cgi?search
> *   http://www.stata.com/support/statalist/faq
> *   http://www.ats.ucla.edu/stat/stata/
>
>

------------------------------------------------------------------------
Richard J. Stoll * Professor of Political Science * Rice University
Dept. Political Science MS 24 * P.O. Box 1892 * Houston TX 77251-1892
E-mail: stoll@rice.edu * Tel: 713-348-3362 * FAX: 713-348-5273

*
*   For searches and help try:
*   http://www.stata.com/help.cgi?search
*   http://www.stata.com/support/statalist/faq
*   http://www.ats.ucla.edu/stat/stata/



© Copyright 1996–2014 StataCorp LP   |   Terms of use   |   Privacy   |   Contact us   |   What's new   |   Site index