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.
Nick
[email protected]
Joana Mendon�a
> 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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