[R] Recoding numeric value

Giggles jenny.mayo at gmail.com
Sat May 19 00:33:20 CEST 2012


Thank you very much!!

On May 18, 2:22 pm, David Winsemius <dwinsem... at comcast.net> wrote:
> On May 18, 2012, at 3:26 PM, Giggles wrote:
>
> > I am a newbie and can't figure out how to recode a numeric value. In
> > my data (pharm311), I have a column called "explain" and I need to
> > find all the 6's and change it to NA (blank). Could someone help?
>
> is.na(pharm311$explain) <- pharm311$explain==6
>
> And do note: NA is not the same "blank". It is "missing".
>
>
>
> > I'm sorry if this is too basic, I started messing with R this week and
> > got stuck with this problem since yesterday...
>
> --
>
> David Winsemius, MD
> West Hartford, CT
>
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