[R] Inf values in a matrix

[Uwe Ligges]

Ita.Cirovic-Donev at hypo-alpe-adria.com wrote:

> 
> 
> 
> Hello,
> 
> I have some Inf values in a matrix, but I don't want to replace them with
> some value but rather remove the rows that contain the Inf values. Also I
> would like to record the rows which were removed. Is there an easy way to
> do this instead of writing loops over the matrix? Thanks.
> 
> Ita Cirovic Donev
> 
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Example:

  A <- matrix(1:100, 10)
  A[cbind(3:4, 5:6)] <- Inf
  recorded <- which(apply(A, 1, function(x) any(is.infinite(x))))
  A[-recorded,]


Uwe Ligges