[R] R Equivalent to matlab's find() command?

Kjetil Kjernsmo kjetil.kjernsmo at astro.uio.no
Thu Jun 8 15:29:46 CEST 2000

On Thu, 8 Jun 2000, Stephen Eglen wrote:

>so, in R, how do I do:
>ans <- rfind( c(1,0,0,1,0))
>so that ans is the vector c(1,4)

You can do:
> which(c(1,0,0,1,0) != 0)
[1] 1 4


Kjetil Kjernsmo
Graduate astronomy-student                    Problems worthy of attack
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E-mail: kjetikj at astro.uio.no                                - Piet Hein
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