[R] Recoding numeric value

[David Winsemius]

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