Message-ID: <3E957CE2.6060807@pdf.com>
Date: 2003-04-10T14:17:06Z
From: Sundar Dorai-Raj
Subject: Transforming matrix
Assuming that TRUE==1 and FALSE==0, just do
> x = matrix(c(TRUE,TRUE,FALSE,FALSE),2,2)
> x
[,1] [,2]
[1,] TRUE FALSE
[2,] TRUE FALSE
> as.numeric(x)
[1] 1 1 0 0
> array(as.numeric(x),dim=dim(x))
[,1] [,2]
[1,] 1 0
[2,] 1 0
Ramzi Feghali wrote:
> hi everybody,
> anyone knows how we can transform a binary matrix with TRUE and FALSE to 0 and 1 without looping?
> Thx
>
>
>
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