[R] pruning data

stephen sefick ssefick at gmail.com
Wed Sep 2 19:16:22 CEST 2009


?is.na
?sum
?if
?else

I think that is how I would approach it, but I could be far off.

On Wed, Sep 2, 2009 at 12:09 PM, Payam
Minoofar<payam.minoofar at meissner.com> wrote:
> Hello everyone,
>
> I am trying to prune a data frame for partial least squares analysis.
> I need to delete an entire row if one cell in the row contains a NA.
>
> Presently, I am running a loop that is supposed to extract the rows
> that are full of numbers into a second data frame and skips the rows
> that contain a single NA value.
>
> I want to know if there is a simple way to determine if a row (about
> 20 columns) contains a single NA value without running a loop that
> checks each individual cell.
>
> Thanks in advance.
>
> __________________
> Payam Minoofar, Ph.D.
> Scientist
> Meissner Filtration Products
> 4181 Calle Tesoro
> Camarillo, CA 93012
> +1 805 388 9911 ext. 159
> +1 805 388 5948 fax
> payam.minoofar at meissner.com
>
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> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
>
>



-- 
Stephen Sefick

Let's not spend our time and resources thinking about things that are
so little or so large that all they really do for us is puff us up and
make us feel like gods.  We are mammals, and have not exhausted the
annoying little problems of being mammals.

								-K. Mullis




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