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

[Andrew Robinson]

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
> 
> 
> 
> --
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> 
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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) 
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