[R] Matrix to data.frame with factors

[Rui Barradas]

Hello,

Try the following.

x <- matrix(sample(0:1, 12, TRUE), ncol = 4)
y <- data.frame(apply(x, 2, factor))
str(y)

Hope this helps,

Rui Barradas
Em 19-10-2012 12:04, brunosm escreveu:
> Hi all,
>
> I have a matrix with 100 variables: each variable as a value of 0 or 1.
>
> What i want to do is convert this matrix to a data.frame but convert all the
> variables to factors (0 and 1) also.
>
> I know i can do this one variable a time but i have 100 variables...
>
> Any easy way of doing this??
>
> Thanks a lot,
>
> Bruno
>
>
>
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