Re: [程式] SAS 存活分析 cox proportional hazards
感謝各位喔!!用STRATA可以!!
PROC PHREG DATA=remission NOPRINT;
MODEL weeks*status(0)=wbc;
STRATA trt;
BASELINE COVARIATES=inrisk1 OUT=out10 LOGLOGS=lls/NOMEAN;
Data out1 ;
set out10;
lls=-lls;
取負是因為課本是教 -log -log S(t)
接下來看要print還是畫圖都可以
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