[R] syvcoxph and cox.zph for testing the PH assumption

Youyi Fong youy||ong @end|ng |rom gm@||@com
Fri Jul 9 20:14:33 CEST 2021

Hello, is it kosher to call cox.zph on a syvcoxph model fit? I see that
someone proposed a modified version of cox.zph that uses resid(fit,
'schoenfeld', **weighted=TRUE**).

Is that all it takes?

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