[R] pruning data

Phil Spector spector at stat.berkeley.edu
Wed Sep 2 19:28:08 CEST 2009


Payam -
    Take a look at na.omit .  This is exactly what it
was written for.
                                     - Phil


On Wed, 2 Sep 2009, Payam Minoofar 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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