Re: [R] rpart with interval censored data crashes R

2009-01-13 Thread Keith Jewell
Thanks for such a complete answer, that is very helpful. Best regards, Keith Jewell "Terry Therneau" wrote in message news:200901121858.n0ciw0g06...@hsrnfs-101.mayo.edu... > > Thank you for the input on rpart -- I just saw the message today. > > 1. You are right, it should not crash. Why it c

[R] rpart with interval censored data crashes R

2009-01-12 Thread Terry Therneau
Thank you for the input on rpart -- I just saw the message today. 1. You are right, it should not crash. Why it crashes rpart is simply that I (the author) never ever tried using interval censored data in the call. Real users try the most amazing things I'll fix it in my local versio

Re: [R] rpart with interval censored data crashes R

2009-01-10 Thread David Winsemius
On a Leopard Mac with the Urbanek compiled 64 bit R, one sees this: > library(rpart) > library(survival) Loading required package: splines > fit<-rpart(Surv(N,Y,type="interval2")~Salt+pH+Temp, data=myD) *** caught segfault *** address 0x0, cause 'memory not mapped' Traceback: 1: .C(C_rpartexp

[R] rpart with interval censored data crashes R

2009-01-09 Thread Keith Jewell
Hi Everyone, This example code results in R 'crashing'; that is the R application closes with no warnings or error messages. #--- myD <- read.table(stdin(), header=TRUE, nrows=20) Broth Salt pH TempN Y Growth 13109.0 2.92 10 90.0 NA0 2