[R] replace() in matrix

[Uwe Ligges]

Tord Snall wrote:
> 
> Dear all,
> How do I replace values of a matrix, for exemple I want the matrix
> 
> 1       24      1       1       1
> 24      1       1       1       1
> 1       1       1       45      104
> 1       1       45      1       92
> 1       1       104     92      1
> 
> to be replaced by
> 
> 0       24      0       0       0
> 24      0       0       0       0
> 0       0       0       45      104
> 0       0       45      0       92
> 0       0       104     92      0
> 

A[A == 1] <- 0

Uwe Ligges
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