
Dear All,

How can i do the bootstrap and calibration plot after surival analysis

, i don't know how to do it after that please help me.

Thanks
 

here is my syntex

 

library(survival)
mfit <- survfit(Surv(days, status == 1)~drug, data = melanom)

 

#how can i do the bootstra

#Cox Calibration regression test

#and the calibration plot

 

 

paaveen
 		 	   		  
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