search for: survhb

Displaying 1 result from an estimated 1 matches for "survhb".

2009 Dec 22
1
Slow survfit -- is there a faster alternative?
Using R 2.10 on Windows: I have a filtered database of 650k event observations in a data frame with 20+ variables. I'd like to be able to quickly generate estimate and plot survival curves. However the survfit and cph() functions are extremely slow. As an example: I tried results.cox<-coxph(Surv(duration, success) ~ start_time + factor1+ factor2+ variable3, data=filteredData) #(took a