Do DAC curve, every time I enter this command will pop up such a mistake, everyone a great god, and how to solve?
& gt; PBC $model1=c (1 - (the summary (survfit (coxmod1, newdata=https://bbs.csdn.net/topics/pbc), times=1825) $surv))
the Error in ` $& lt; -) data) frame ` (TMP ` * * ` model1, value=https://bbs.csdn.net/topics/numeric (0)) :
Replacement from 0 rows, the data from the 12133

CodePudding user response:

To solve the problem