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lam24
2010 Jun 20
1
"Unable to fit" error message from the lrm function in the rms library
...ow what to make of it. Please forgive me for not having a toy example, but it appears the size and complexity of my data is somehow causing the error. The best I can do is show you what I type and what errors I get.
Here's what I'm doing that causes the error. I fit this model:
> model.lrm24 <- lrm(x.all[,156] ~ pol(PC1, 3) + pol(PC2, 3) + pol(PC3, 3) + PCNM1 + PCNM2 + PCNM3 +PCNM4 + PCNM5 + PCNM6 + PCNM7 + PCNM8 + PCNM9 + PCNM10 + PCNM11 + PCNM12 + PCNM13 + PCNM14 + PCNM15 + PCNM16 + PCNM17 + PCNM18 + PCNM19 + PCNM20 + PCNM21 + PCNM22 + PCNM23 + PCNM24 + PCNM25 + PCNM26 + PCNM27 +...