concatenating dataframes (PR#381)
Kurt Hornik
Kurt.Hornik@ci.tuwien.ac.at
Mon, 27 Dec 1999 09:04:43 +0100
>>>>> jlindsey writes:
> The following work if y is an ordinary matrix but not a dataframe:
> tt <- NULL
> y <- data.frame(1:20,1:20)
> rbind(tt,y)
> gives "incompatible types" error (if the dataframe contains only factor
> variables, it gives warnings but works)
> if I initialize instead with
> tt <- list()
> it gives a "missing value where logical needed" error.
I've added a line in rbind.data.frame() which removes all length 0
arguments. This solves the problems you describe and passes make check,
but I am not sure if we really want it ...
-k
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