[R] Sorting a dataframe

[Spencer Graves]

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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