[R] how to test the equalness of several coefficients in a gamma frailty model using R

From: <ghwei_at_umich.edu>
Date: Sat 23 Jul 2005 - 04:37:31 EST


Hi,

I want to test the equalness of several coefficients of a gamma frailty model using R. In SAS, a TEST statement can be used for a cox model.How to do it in R?
Thanks a lot!

Guanghui



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