R help - Jan 2001 - sorting ascending descending! & THX@coling

THX.
You are right!!


 a[order(-1*a)]
[1] 110  23   4   3   2


Eryk


coling wrote:
> Hi,
>
>         I know very little of R, but one suggestion could be to multiply
your list
> by "-1", then order, then multiply by "-1" again.
>
> Not very nice I realize. But it's "better than a poke in the eye
with a
> sharp stick" as a wise man once said.
>
> Hope this helps.
>
> Colin Gillespie
--
Witold Eryk Wolski
Max Plank Institut fuer Molekulare Genetik
Ihnestr73 14195 Berlin
Germany
tel.:
Work 0049-30-84131426
http://www.molgen.mpg.de/~wolski


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Witold Eryk Wolski <wolski at molgen.mpg.de> writes:
> THX.
> You are right!!
> 
> 
>  a[order(-1*a)]
> [1] 110  23   4   3   2
> 
> 
> Eryk
hmm, I would have thought rev(order(...)) to be more intuitive:

x[order(x)] sorts in ascending order,
x[rev(order(x))] sorts in descending order...

Enjoy,
  -tom

-- 
mailto:tov at ece.cmu.edu (Tom Vogels)   Tel: (412) 268-6638   FAX: -3204
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