Displaying 1 result from an estimated 1 matches for "absifmahal".
2008 Jun 10
1
Question on lda and predict
Hello
Using R 2.7.0 on Windows.
I am running a linear discriminant analysis as follows
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discrim1 <- lda(normvar~ mafmahal+ mrfmahal+ mffmahal+ bafmahal+ brfmahal+
cofmahal+ bmfmahal+ cfmahal+ fractmahal+ antmahal+ absmifmahal+ absifmahal, subset = train)
prediction <- predict(discrim1, traintest1[-train,])$class
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When I do this, I get a warning message:
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Warning message:
'newdata' had 795 rows but variable(s) found have 796 rows
>>>
However, when I look at 'newdata' (i.e. trai...