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fsrv
2011 Feb 26
2
tansformation of variables in cph from rms package
Dear all:
I have used the cph function in the rms package.
log10 was used to transform the variables, as follows:
fit<-cph(pfsurv~log10(x1)+log10(x2),x=T,y=T,surv=T)
after I run the nomogram function.
I found "variable limits and transformations are such that an infinite axis
value has resulted."
How to add variable limits in the nomogram function?
Thanks a lot
*Yao Zhu*
*Department of Urology
Fudan University S...