There is an FAQ, written by Mario Cleves of Stata,
that could give you some ideas about what may be
happening with your data. See:
http://www.stata.com/support/faqs/stat/coxmiss.html
Ricardo.
--- Verena Schoenleber
<[email protected]> wrote:
> dear statalist,
>
> i would really appreciate your help: i am running
> stcox (multivariate)
> and in my results, i get missings for z-values,
> standard errors etc.:
>
> . stcox wardur coldwar wartype, tvc(hgmulti4 democ
> gdpcp gini lifeex
> logpop)
>
> Cox regression -- no ties
>
> No. of subjects = 84
> Number of obs =
> 133
> No. of failures = 33
> Time at risk = 639
>
> LR chi2(9) =
> 4.16
> Log likelihood = 4.694e-06
> Prob > chi2 =
> 0.9006
>
>
------------------------------------------------------------------------------
> _t |
> _d | Haz. Ratio Std. Err. z
> P>|z| [95% Conf.
> Interval]
>
-------------+----------------------------------------------------------------
> rh |
> wardur | .3212128 . .
> . .
> .
> coldwar | .2205907 . .
> . .
> .
> wartype | 1 . .
> . .
> .
>
-------------+----------------------------------------------------------------
> t |
> hgmulti4 | 1 . .
> . .
> .
> democ | 3.416269 . .
> . .
> .
> gdpcp | 1.000041 . .
> . .
> .
> gini | .5410106 . .
> . .
> .
> lifeex | .5015777 . .
> . .
> .
> logpop | 1.297101 . .
> . .
> .
>
-----------------------------------------------------------------------
>
> can anyone tell me what to do??
> thank you,
> verena sch�nleber
> --
> Cherisystr. 16
> 78467 Konstanz
> Germany
> 0049/7531/56599
>
>
> *
> * For searches and help try:
> *
> http://www.stata.com/support/faqs/res/findit.html
> * http://www.stata.com/support/statalist/faq
> * http://www.ats.ucla.edu/stat/stata/
>
=====
Ricardo Ovaldia, MS
Statistician
Oklahoma City, OK
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*
* For searches and help try:
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