Hi,
found a quite simple solution:
test
a b c d e
[1,] 1 11 21 31 41
[2,] 2 12 22 32 42
[3,] 3 13 23 33 43
[4,] 4 14 24 34 44
[5,] 5 15 25 35 45
list <- c("b", "c", "a", "e",
"d")
test[,list]
mentor_ wrote:>
> Hi,
>
> I have found the following thread to reorder a data.frame.
> I would like to do same regarding a matrix:
>
> https://stat.ethz.ch/pipermail/r-help/2008-February/154138.html
>
> I achieved this with a for loop and cbind but I think using
'is.element'
> is much more
> appropriate. Can anyone help?
>
> Cheers
>
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