[R] Subset using partial values

[Henrique Dallazuanna]

Try this:

subset(x, grepl('411', Main_condition))

On Wed, Mar 3, 2010 at 11:33 AM, Newbie19_02 <nvanzuydam at gmail.com> wrote:
>
> Hi everyone,
>
> I would like to subset a data.frame using partial values.
>
> For example I have the following data.frame:
>
> PROCHI  Main_condition
> 1234      411
> 1235     4110
> 1236     4111
> 1237     I20
> 1238    I201
> 1239    I202
>
> Now let's say that I use the Subset function.  Ordinarily I would use it as
> follows  Subset(x, Main_condition=="411"|Main_condition=="4110" etc to get
> all the 411s.
>
> Is there a way that you can subset by only using part of the term that you
> wish to subset by?
>
> Thanks,
> Natalie
> --
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>
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-- 
Henrique Dallazuanna
Curitiba-Paraná-Brasil
25° 25' 40" S 49° 16' 22" O