[R] how to sort columns in a matrix?

[Spencer Graves]

I think the question was ambiguous.  Now he has answers to two different 
interpretations of the question.

Spencer Graves

Stefano Calza wrote:
> 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
>>>>
>>>>______________________________________________
>>>>R-help at stat.math.ethz.ch mailing list
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>>>
>>>
>>>______________________________________________
>>>R-help at stat.math.ethz.ch mailing list
>>>https://www.stat.math.ethz.ch/mailman/listinfo/r-help
>>
>>______________________________________________
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> 
> 
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