Programming the statistical procedures from SAS

Estimating parameters of a standard gamma survival distribution in Lifereg Procedure

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Occasional Learner NAH
Occasional Learner
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Estimating parameters of a standard gamma survival distribution in Lifereg Procedure

Dear experts,

I am interested in estimating the shape and scale parameters of a standard Gamma  distribution of survival data and using Proc Lifereg. However, Proc Lifereg uses a Generalized Gamma (GG) model as the distribution, and the estimates of shape (delta) and scale (sigma) parameters that are output for this procedure are for GG and not for the standard Gamma model. Any advice on how to estimate the standard gamma model shape and scale parameters  using SAS Proc Lifereg, will be helpful or any references that you know that have explained how this can be done in SAS will be highly appreciated.

Thanks.

 

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