R help - Mar 2013 - 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("forward"),
    crr.object = FALSE, trace = TRUE, steps = 100)
*Error in crr(ftime, fstatus, cov1, variance = TRUE, ...) :
  unused argument(s) (variance = TRUE)*

Thank you very much!

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Hi Kathy,
You should first contact the package maintainer (which is me!) before posting to
r-help.  Which version of the package are you using?  Can you send me a
minimally reproducible code?

Ravi

Ravi Varadhan, Ph.D.
Assistant Professor
The Center on Aging and Health
Division of Geriatric Medicine & Gerontology
Johns Hopkins University
rvaradhan@jhmi.edu<mailto:rvaradhan@jhmi.edu>
410-502-2619


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