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hstep
2013 Mar 27
1
Crrstep help
Hi,
I'm using crrstep package to do stepwise covariate selection for the Fine &
Gray competing risks regression model. However, I keep getting an error
(please see below). Please help!!
> PHstep <-
crrstep(years~1+var1+var2+var3+var4+var5,scope.min=~1,censorcmprsk,
data=crisk, direction=c("forward"), crr.object = FALSE, trace = TRUE, steps
= 100)
crrstep(formula = years ~ 1 + var1+var2+var3+var4+var5, scope.min = ~1,
etype = censorcmprsk, data = crisk, direction = c("...