[R] Draw a nomogram after glm

Frank Harrell f.harrell at vanderbilt.edu
Fri May 6 14:56:11 CEST 2011


Please post the entire script next time, e.g., include require(rms).  You
have one line duplicated.  Put this before the first use of lrm: d <-
datadist(donnee); options(datadist='d')

Frank


Komine wrote:
> 
> Hi,
> I use datadist fonction in rms library  in order to draw my nomogram.
> After reading, I try this code:
> f<-lrm(Y~L+P,data=donnee)
> f <- lrm(Y~L+P,data=donnee)
> d <- datadist(f,data=donnee)
> options(datadist="d")
> 
> f <- lrm(Y~L+P)          
> summary(f,L=c(0,506,10),P=c(45,646,10))        
> plot(Predict(f,L=200:800,P=3))
>  
> Unfortunately, I have error after the 2nd code:
> Erreur dans datadist(f, data = donnee) : program logic error
> 
> Please could you provide me a document more simple which is more
> understandable for new R user. 
> Thanks for your help. 
> 
> Komine
> 


-----
Frank Harrell
Department of Biostatistics, Vanderbilt University
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