[R] how to sort columns in a matrix?
Stefano Calza
stecalza at tiscali.it
Wed Jul 9 18:43:18 CEST 2003
On Wed, Jul 09, 2003 at 09:10:53AM -0700, Spencer Graves wrote:
Of course! I guess I misunderstood the question!
Stefano
> Alternatively, if you want to sort first on aaa$a and second on aaa$b,
> then try the following:
>
> aaa[order(aaa$a, aaa$b),]
>
> hope this helps. spencer graves
>
> Stefano Calza wrote:
> >On Wed, Jul 09, 2003 at 05:39:31PM +0200, David Andel wrote:
> >
> >Hi,
> >
> >if you want to sort in alphabical order the columns of the matrix you
> >colud do this
> >
> >aaa <- aaa[,sort(colnames(aaa))]
> >
> >Is it what you want?
> >
> >HIH,
> >
> >Stefano
> >
> >
> >>Hi
> >>
> >>I am struggling in finding a way to sort columns in a matrix. Can anyone
> >>help me, please?
> >>
> >>Thanks a lot,
> >>David
> >>
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