Hi R-help,
I have fit a cox ph model to my data, but have beenreceiving an error when
trying to fit a model to the nomogram. Here is the codeand corresponding error:
>nomogramCF = nomogram(cph_age6_40avp4,
+ lp.at= seq(-10,10,by =0.5),lp = TRUE,
+
+ funlabel="5year survival",
+ fun=surv5.CFdata5,fun.at=
c(0.01,seq(0.1,0.9,by=0.2),0.99))
Error inapprox(fu[s], xseq[s], fat, ties = mean) :
needat least two non-NA values to interpolate
I have fit similar nomograms based on cox ph models usingsimilar code, so I’m
not sure what I’m doing wrong this time.
I heard there might be some an issue because of a softwareupdate?
Thanks,
Annie
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