Re: [R] select value from a column depending on a value in another column

From: Andrew Robinson <A.Robinson_at_ms.unimelb.edu.au>
Date: Wed, 04 May 2011 23:00:11 +1000

Try subset().

Andrew

On Wed, May 04, 2011 at 02:01:44AM -0700, tornanddesperate wrote:
> Hi everybody
>
> I couldn't find the solution to what must be quite a simple problem. Maybe
> you can help?
>
> treatment session period stage wage_accepted market
> 1 1 1 1 1 25 public
> 2 1 1 1 1 19 privat
> 3 1 1 1 1 15 public
> 4 1 1 1 2 32 public
> 5 1 1 1 2 13 privat
>
> >From this table, I'd like to choose only those values in the column
> "wage_accepted" that have the value "public" in the column "market". How can
> I do this?
>
> Is there a good general help site for R that would explain basic table
> manipulations such as this?
>
> Thank you very much for your help
>
>
>
> --
> View this message in context: http://r.789695.n4.nabble.com/select-value-from-a-column-depending-on-a-value-in-another-column-tp3494926p3494926.html
> Sent from the R help mailing list archive at Nabble.com.
>
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-- 
Andrew Robinson  
Program Manager, ACERA 
Department of Mathematics and Statistics            Tel: +61-3-8344-6410
University of Melbourne, VIC 3010 Australia               (prefer email)
http://www.ms.unimelb.edu.au/~andrewpr              Fax: +61-3-8344-4599
http://www.acera.unimelb.edu.au/

Forest Analytics with R (Springer, 2011) 
http://www.ms.unimelb.edu.au/FAwR/
Introduction to Scientific Programming and Simulation using R (CRC, 2009): 
http://www.ms.unimelb.edu.au/spuRs/

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Received on Thu 05 May 2011 - 06:25:12 GMT

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