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

Thanks a lot!

See ?subset and ?Logic

For example:

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


Marc Schwartz

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