Hi all,
I was trying to test the assumption of proportional hazards
assumption, I used the cox.zph function
>cox.zph(coxfit6)
Results are:
rho chisq p
x1 -0.0396 1.397 2.37e-01
x2 0.1107 9.715 1.83e-03
x3 -0.0885 7.743 5.39e-03
x4 0.0366 1.092 2.96e-01
x5 0.0242 0.455 5.00e-01
GLOBAL NA 30.952 9.57e-06
Are all these covariates fulfilled the assumption of proportional hazards?
Thanks again.
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