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2.510615
2005 Aug 27
1
survival parametric question
Hi to all,
I am working on design package using survival function.
First using PSM and adopting a weibull specification for the baseline hazard , I have got the following results(since weibull has both PH and AFT propreties ,in addition I have used the PPHSm command):
Value Std. Error z p
(Intercept) 1.768 1.0007 1.77 7.73e-02
SIZE -0.707 0.0895 -7.90 2.80e-15