This is of the nature of an FAQ. Data frames coerce character
vectors into factors. If you want a character vector to stay
that way (and not become a factor) wrap in up in ``I()'':
cat <- cbind(cat,Color=I(rainbow(nrow(cat))))
(There's no need to quote the name ``Color'' in the foregoing.)
cheers,
Rolf Turner
[EMAIL PROTECTED]
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