[R] Binning or grouping data

[Philipp Pagel]

> I'm attempting to "group" or "bin" data together in order to analyze them as
> a combined group rather than as discrete set.  I'll provide a simple example
> of the data for illustrative purposes.
> 
> Patient ID  |  Charges   |    Age  |   Race
> 1              |  100          |    0     |   Black
> 2              |  500          |    3     |   White
> 3              |  200          |    5     |   Hispanic
> 4              |   90           |    7     |   Asian
> 5              |    400        |   10     |   Hispanic 
> 6              |    500        |   16     |   Black
> 
> I'm trying to create three age categories--"0 to 4", "5 to 11" and "12 to
> 17"--and analyze their "Charges" by their "Race."  How do I go abouts to
> doing this?  

cut() or split() are probably the functions you are looking for.

cu
	Philipp

-- 
Dr. Philipp Pagel
Lehrstuhl für Genomorientierte Bioinformatik
Technische Universität München
Wissenschaftszentrum Weihenstephan
85350 Freising, Germany
http://webclu.bio.wzw.tum.de/~pagel/