search for: rfstime

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2024 May 14
0
flexsurvspline with offset
Dear all, I am using R 4.4.0 via RStudio (2024.04.0) on a Windows PC. The code below worked on the previous version of the flexsurv but is not working since my recent update (version 2.3). The code that was working is: library(survival) rfs <- pmax(rotterdam$recur, rotterdam$death) rfstime <- with(rotterdam, ifelse(recur==1, rtime, dtime)) fit1 <- flexsurvspline(Surv(rfstime, rfs) ~ age + meno + size + er, k=2, data = rotterdam) # obtain the linear predictor for each patient predf <- model.matrix(fit1) %*% fit1$res[-(1:4),"est"] # Predict baseline survival at 5...