Dear Brian,
I looked on the internet for this warning message "Warning message:
'newdata' had X rows but variable(s) found have Y rows" that happens
when using some kind of fitting and prediting. I still can't figure out
what is going wrong by reading the documentation or the posts in de
forum. So I made a small example
pos = rep(1,times=10)
neg = rep(0,times=10)
y = c(pos,neg)
x = c(pos*30,neg*2)
result1 <- glm(y~x, family=binomial)
p = predict.glm(result1,as.data.frame(x),type='respons')
This works fine. But when I change the argument of the last row into
as.data.frame(x[1:10]) (or some new data) I get that warning again.
Why? Can you help me out?
Best regards
Herman van Haagen
(Netherlands)
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