[R] (RESOLVED) Re: Removing columns that are all NA from a matrix

Martin Waller martinej.waller at ntlworld.com
Thu Feb 14 14:35:30 CET 2008


Thanks to all who responded - great stuff!

Martin

Martin Waller wrote:
> Hi,
> 
> I guess this might be a FAQ or something, and there's probably a nice 
> simple way to do it, but I can't think of it:
> 
> Given a matrix, I want to remove columns that are _entirely_ filled with 
> NAs (partial NAs are fine).
> 
> How please?
> 
> Thanks,
> 
> Martin
> 
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