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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