[R] Getting the row/column of matrix for some values?

[Rajarshi Guha]

On Wed, 2005-04-13 at 21:09 -0500, Chris Bergstresser wrote:
> Hi all --
> 
>     Quick (I hope) question: I've got a correlation matrix.  Is there a 
> quick way to find all the row/column names for those correlations higher 
> than some value, like 0.4?

> x <- matrix(runif(50), nrow=10)
> which(cor(x) > .4, arr.ind=TRUE)

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