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

From: tornanddesperate <MatthiasNeff_at_gmx.ch>
Date: Wed, 04 May 2011 02:01:44 -0700 (PDT)


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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Received on Thu 05 May 2011 - 06:25:03 GMT

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