ok, is this the survival probablities at what time? if I wish to score "new data" and obtain probability for survival at different times t= t_1,t_2,t_3 how do I choose these times? Do I need to run proc phreg with data=whas500 all the time to score new data ? can it be done independently of the data=whas500 ? in eg. a proc plm statement? which only depends on the parameter estimates and not the underlying data
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