On Nov 9, 2011, at 10:14 AM, Johannes Radinger wrote:
Hello,
I very general question but probably usefull to others as well:
Is there any prebuild function that reorders a dataframe from:
x1 x2
1 100 200
2 101 201
3 102 202
4 103 203
5 104 204
6 105 205
to
1 100 x1
2 101 x1
3 102 x1
4 103 x1
5 104 x1
6 105 x1
7 200 x2
8 201 x2
9 202 x2
10 203 x2
11 204 x2
12 205 x2
?stack
I found a way with:
names <- rep(c("x1","x2"),c(length(x1),length(x2)))
x <-c(x1,x2)
data.frame(x,names)
That is basically what stack does.
but probably there is already another function for doing such things
more easily.
Thank you
Johannes
--
______________________________________________
R-help@r-project.org mailing list
https://stat.ethz.ch/mailman/listinfo/r-help
PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
David Winsemius, MD
West Hartford, CT
______________________________________________
R-help@r-project.org mailing list
https://stat.ethz.ch/mailman/listinfo/r-help
PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
