[R] Rank - Descending order

Gabor Grothendieck ggrothendieck at myway.com
Tue Apr 20 07:08:40 CEST 2004

Here are a couple to try:

z <- c(1,5,2,4)

# If z is numeric this can be simplified to:

I haven't checked what happens to NAs and ties.method.

Manoj - Hachibushu Capital <Wanzare <at> HCJP.com> writes:

: Dear All,
: 	Is there any simple way to way to produce "rank", for a given
: list, but in a descending order?
: 	E.G: 	
: 		x	= list(a=c(1,5,2,4));
: 		rank(x$a);	produces 1,4,2,3 
: 	However I am looking for a way to generate (4,1,3,2). 
: 	It would be particularly nice if the proposed solution has all
: the niceties of rank function (like NA handling and ties.method
: functionality) 
: Manoj

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