Message-ID: <CAM_vju==siUvA30jM6bTQC+V8F8UuwCP-dDkB0RpJDduBSpkRg@mail.gmail.com>
Date: 2012-12-21T18:56:01Z
From: Sarah Goslee
Subject: remove from column a group of elements I have in another vector
In-Reply-To: <1356111837.3815.YahooMailNeo@web120002.mail.ne1.yahoo.com>
You can probably do it with not in in R too:
for a data frame x where you want to remove rows where values in
column A are not in the vector y:
x[!(x$A %in% y), ]
If you'd provided a reproducible example, I could give code that works
in your particular circumstance.
Sarah
On Fri, Dec 21, 2012 at 12:43 PM, Estefan?a G?mez Galimberti
<tefagg at yahoo.com> wrote:
> Hi,
>
> I have a data frame and I would need to remove from one of
> the columns a group of elements I have in another vector. How can I do that? I know how to do it with criteria but i would need to do it in a more automatic way....
> In SQL I would use where
> ---- not in ----
>
> Thank you,
> Estefania
--
Sarah Goslee
http://www.functionaldiversity.org