[R] Sorting a matrix

[Erik Iverson]

Do you really want to sort a *matrix*, or do you mean a data.frame?  See 
?order.

Angelo Scozzarella 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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