Peter Dalgaard BSA
p.dalgaard at biostat.ku.dk
Thu Apr 5 21:36:22 CEST 2001
Robert John Foxall <rjf at waca.sys.uea.ac.uk> writes:
> Probably a stupidly easy question, but I have done the following
> in order to make predictions from a fitted glm with new data:
> my.glm <- glm(lt96~so296[,1:17],family=binomial(link=logit))
> p96 <- predict.glm(my.glm,newdata=so293[,1:17],type="response")
> but I always get the fitted linear predictors from the original model, ie
> there doesn't seem to be acknowledgement of the new data. Linux on my
> machine, running R version 1.1.1 (will upgrade soon!).
> Rob Foxall.
check the variable names! I kind of suspect that so293 has no
variables called something with so296...
I think you mean something like
O__ ---- Peter Dalgaard Blegdamsvej 3
c/ /'_ --- Dept. of Biostatistics 2200 Cph. N
(*) \(*) -- University of Copenhagen Denmark Ph: (+45) 35327918
~~~~~~~~~~ - (p.dalgaard at biostat.ku.dk) FAX: (+45) 35327907
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