Hi:
Is this what you were aiming for?
reshape(d,varying=list(c("x1","x2"),
c("y1","y2")),v.names=c("x","y"),dir="long")
time x y id
1.1 1 1 5 1
2.1 1 2 6 2
1.2 2 3 7 1
2.2 2 4 8 2
HTH,
Dennis
On Fri, Aug 6, 2010 at 10:28 AM, Krishna Tateneni <taten...@gmail.com>wrote:
> Hello,
>
> A quick question for my edification. When I run the following (R 2.8.1 on
> Microsoft Windows):
>
> > d = data.frame(x1=c(1,2),x2=c(3,4),y1=c(5,6),y2=c(7,8))
> > reshape(d,varying=c("y1","x1","y2","x2"),v.names=c("y","x"),dir="long")
>
> I found myself surprised by the results--the column labeled "y" is actually
> the data from "x1" and "x2", and the column labeled "x" is actually the
> data
> from "y1" and "y2".
>
> Is this behaviour of reshape as intended? That is, have I missed something
> in the documentation?
>
> Many thanks for any comments.
>
> --Krishna
>
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>
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