[R] Double sort a data frame

[Jean Eid]

?order

On Fri, 11 Feb 2005, Luis Ridao Cruz wrote:

> R-help,
>
> Long ago I asked how to sort a data frame according to one of the
> columns.
> But Iwas wondering ho I could "double sort" , i.e, sort according to
> one column and another one afterwards.
> It is quite easy in Excel but  I am unable to implemented in R.
>
>
> I have searched in the R help archives and found nothing.
>
>
> Thank you in advance.
>
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