[R] transforming a matrix of logical to 0 and 1 while keeping the dim of matrix

[Joshua Wiley]

Hi,

I am not sure about "correct", but R stores logical values TRUE/FALSE
as 1/0 already so simply changing the mode would suffice:

mode(x) <- "numeric"

alternately

x + 0

HTH,

Josh

On Wed, Jul 20, 2011 at 8:16 AM, Julian TszKin Chan <cjulian at bu.edu> wrote:
> Hi all,
>
> Suppose I have a matrix of logical value:
>
> x<-matrix(c(TRUE,FALSE,TRUE,FALSE,TRUE,FALSE,TRUE,FALSE,TRUE),nrow=3)
>
> I would like to change the value of FALSE to 0 and TRUE to 1. An
> obvious way to do it is :
> y<-as.numeric(x)
>
> However this method doesn't keep the dim of x. I also need to copy the
> dim information to y too.
> attributes(y)<-attributes(x)
>
> Is this a correct way to do it in R? Is there any single step function
> which can do the something? Thanks
>
>
> Regards,
> TszKin Julian
>
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-- 
Joshua Wiley
Ph.D. Student, Health Psychology
University of California, Los Angeles
https://joshuawiley.com/