[R] Changing a logical matrix into a numeric matrix

[Joshua Wiley]

Hi Emma,

The easiest way I know uses a bit of a trick. If your matrix is named 'X'

Then: X + 0 will convert it to numeric data.

HTH,

Josh

On Jan 10, 2011, at 1:17, emj83 <stp08emj at shef.ac.uk> wrote:

> 
> Hi,
> 
> I would like to turn my TRUE/FALSE matrix into a 1/0 matrix (i.e. True=1 and
> False=0)
> 
>      [,1]  [,2]  [,3]  
> [1,]  TRUE FALSE FALSE 
> [2,]  TRUE  TRUE FALSE 
> [3,]  TRUE  TRUE  TRUE 
> 
>      [,1]  [,2]  [,3]  
> [1,]    1    0     0
> [2,]    1    1     0
> [3,]    1    1     1
> 
> Is there a quick way of doing this without a loop?
> 
> Thanks Emma
> -- 
> View this message in context: http://r.789695.n4.nabble.com/Changing-a-logical-matrix-into-a-numeric-matrix-tp3206797p3206797.html
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