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st: RE: survival analysis

From   "Nick Cox" <[email protected]>
To   <[email protected]>
Subject   st: RE: survival analysis
Date   Mon, 24 Jan 2005 16:08:56 -0000

Among other possibilities, some 
other variable is string that
you think should be numeric. 
Try -summmarize- for the 
data you used for the survival analysis. 

[email protected] 

Joana Mendon´┐Ża
> I am doing survival analysis on stata. After declaring the 
> data set to be
> survival data I tried to run a proportional hazard model, but 
> it gives me an
> error of "no observations". 
> Can anyone tell me why this may be?

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