Hi folks
I have two data frames. I know that the nth (let's say the 7th) row
in the first data frame (sequence) is there in the second
(today.sequence). When I try to check that by doing 'sequence[7,]
%in% today.sequence', I get all FALSE when it should be all TRUE.
I'm certain I'm making some
?%in% says x and table must be vectors. You supplied
data.frames. So %in% is coercing your today.sequence to a vector using
as.character(today.sequence)
Perhaps you should paste the columns together first:
x - do.call(paste, c(sequence, sep = ::))
table - do.call(paste, c(today.sequence, sep =
Kaushik,
The documentation doesn't quite tell (me, anyway) how the function behaves
when 'target' is a list (or data.frame). You'll need to dig into match.c
or experiment with match() or %in% to see what it is actually doing.
But it looks like it is matching whole columns of the data.frame
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