Re: [R] How to filter a data frame?

From: Marc Schwartz <marc_schwartz_at_comcast.net>
Date: Tue, 22 Jul 2008 09:07:31 -0500

on 07/22/2008 08:47 AM rlearner309 wrote:
> I have a question about how to filter the data frame:
> Suppose my data frame has variables like gender, age,... How to get a subset
> of the data frame, with only female (or male) and/or age > 50...? What is
> the typical syntax? I tried several condition expressions, but none of them
> worked...
>
> Thanks a lot!

See ?subset and ?Logic

For example:

   DF.new <- subset(DF, (gender == "female") & (age > 50))

HTH, Marc Schwartz



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