[R] Sorting a dataframe
Spencer Graves
spencer.graves at pdf.com
Tue Aug 12 19:03:12 CEST 2003
Why won't "order" solve your problem? "?order" in R 1.7.1 for Windows
includes an example sorting lexicographically 3 variables in ascending
order.
spencer graves
Paul, David A wrote:
> Undoubtedly a simple question:
>
> I've looked at order() and sort() in the help pages for
> R1.7.1. It doesn't appear that these functions are immediately
> suited to doing the same thing as
>
> PROC SORT DATA = BLAH;
> BY X Y Z;
> RUN;
>
> in SAS. I have also checked Frank Harrell's Hmisc library.
> Could someone point me in the right direction so I can sort
> by the levels of Z within the levels of Y within the levels
> of X? Everything needs to be in ascending order.
>
>
> Much thanks in advance,
> david paul
>
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