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st: Internal model validation

From   Eduardo Nunez <>
Subject   st: Internal model validation
Date   Thu, 1 Apr 2010 11:34:22 -0400

Dear statalisters,

I wonder if Stata (version 11) has a module to perform a Cox model
internal validation (mainly Harrell's C-statistics) using
The Design R-package from Harrell's has such procedure implemented
("validate.cph {Design}")...see the code below:

f <- cph(S ~ age*sex, x=TRUE, y=TRUE)
validate(f, B=500)    # Validate full model fit

Thank you,

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