Dear Angelo,

What about this?

mydata=read.table(textConnection("Name    Sex             Age
Fred    M               24
John    M               18
Mary    F               21"), header=TRUE,sep="")

mydata[order(mydata$Age),]

HTH,

Jorge


On Thu, Jul 10, 2008 at 2:21 PM, Angelo Scozzarella <
angeloscozzarella@tiscali.it> wrote:

> Hi,
>
> I want to sort a matrix by a specific variable without changing the row
> binding between variables.
>
> Ex.
>
> Name    Sex             Age
> Fred    M               24
> John    M               18
> Mary    F               21
>
>
> ordered by Age
>
>
> Name    Sex             Age
> John    M               18
> Mary    F               21
> Fred    M               24
>
>
>
> Thanks
>
>
>
> Angelo
>
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