[R] operating on a subset of a dataframe

[Cyril Humbert]

Perhaps you could use the function subset().
See ?subset

Tim Wilson wrote:
> Hi everyone,
> 
> I've got a dataframe with columns of different types. A certain number
> of columns in the dataframe hold the results of a series of Likert-type
> items. I've got a function that will print a simple table of frequencies
> and I want to apply that function to those columns of the dataframe
> only. What's the best approach?
> 
> -Tim
> 
> -- 
> Tim Wilson      |   Visit Sibley online:   | Check out:
> Henry Sibley HS |  http://www.isd197.org   | http://www.zope.com
> W. St. Paul, MN |                          | http://slashdot.org
> wilson at visi.com |  <dtml-var pithy_quote>  | http://linux.com
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