Programming the statistical procedures from SAS

Model checking for Cox regression using time-dependent covariates (Proc Phreg)

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Model checking for Cox regression using time-dependent covariates (Proc Phreg)

Hi all,

I was wondering if Proc Phreg (or any other procedure) offers any kind of model-checking for Cox models where time-dependent covariates are used. The documentation includes options for time-INdependent cases, but does not address the dependent case.

Has anyone tried this before?

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