[R] removing columns

[Uwe Ligges]

On 03.05.2011 13:16, nuncio m wrote:
> Hi list,
>
> I have a matrix with all elements of some columns are zeroes.  Is it
> possible to remove these columns:


Xnew <- X[ , as.logical(colSums(X)), drop=FALSE]

Uwe Ligges


> and create a new matrix
> nuncio
>
>
>
>