Dear List,
I am working on Survival model (cox ph) and I am stuck with the model
prediction. Need guidance.
If i understand correctly, for the cox ph models, SPSS predicts the hazard
rate for agiven time. My questions are
1. How can I get the predicted probabilities of an event.
2. Secondly, i want gain charts, similar to the ones i get in logistic
regression, how can i get that? I mean, what should the deciling be on?
Since the hazard rate that i get from SPSS, increases as the time
increases, hence if i do the deciling on hazard rate i will never get a
lift kind of graph.
3. Is there a way to calculate the time factor usingthe predicted hazard
rate?
Help very much appreciated!
Regards,
Hema
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