try this:
> dat <- rnorm(100)
> breaks <- -3:3
> table((cut(dat, breaks)))
(-3,-2] (-2,-1] (-1,0] (0,1] (1,2] (2,3]
1 10 35 39 13 2
> x <- table((cut(dat, breaks)))
> rev(x)
(2,3] (1,2] (0,1] (-1,0] (-2,-1] (-3,-2]
2 13 39 35 10 1
>
On Wed, Dec 2, 2009 at 12:18 PM, Mark Heckmann <mark.heckm...@gmx.de> wrote:
> I have a vector and need to count how many data points fall inside each bin:
>
> dat <- rnorm(100)
> breaks <- -3:3
> table((cut(dat, breaks)))
>
> (-3,-2] (-2,-1] (-1,0] (0,1] (1,2] (2,3]
> 3 13 42 30 12 0
>
> if I reverse the breaks vector, the results remains the same:
> breaks <- rev(breaks)
> table((cut(dat, breaks)))
>
> (-3,-2] (-2,-1] (-1,0] (0,1] (1,2] (2,3]
> 3 13 42 30 12 0
>
> What I would like is break to also determine the order of the table output,
> in this case it should also be reversed, like:
> ( 3, 2] ( 2, 1] ( 1,0] (0,-1] (-1,-2] (-2,-3]
> 0 12 30 42 13 3
>
> Thus I would like to reorder the vector using break, but I do not know how.
>
> TIA
> Mark
> –––––––––––––––––––––––––––––––––––––––
> Mark Heckmann
> Dipl. Wirt.-Ing. cand. Psych.
> Vorstraße 93 B01
> 28359 Bremen
> Blog: www.markheckmann.de
> R-Blog: http://ryouready.wordpress.com
>
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>
--
Jim Holtman
Cincinnati, OH
+1 513 646 9390
What is the problem that you are trying to solve?
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