Message-ID: <50815EBF.6090109@sapo.pt>
Date: 2012-10-19T14:07:59Z
From: Rui Barradas
Subject: Matrix to data.frame with factors
In-Reply-To: <1350644649098-4646730.post@n4.nabble.com>
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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