B77S writes:
> That is odd, I noticed some weird sorting with merge() a while back too and
> always am careful with it now. Fortunately, sort=FALSE seems to work the
> way one would think most of the time.
Thanks for checking. Is this on a more recent version of R than 2.10.1?
(I'm half-hoping
That is odd, I noticed some weird sorting with merge() a while back too and
always am careful with it now. Fortunately, sort=FALSE seems to work the
way one would think most of the time.
Although, the following results seem weird too! (adding by="date" makes it
not sort oddly, regardless of so
`merge` lists sorted as if by character, not by the actual class of the
by-columns.
> tmp <- merge(data.frame(f=ordered(c("a","b","b","a","b"),
levels=c("b","a")),
x=1:5),
data.frame(f=ordered(c("a","b"),
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