[R] how to sort columns in a matrix?

[Spencer Graves]

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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> 
> 
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