Date: Thu, 2 Apr 2009 14:11:01 -0400
Reply-To: Peter Flom <firstname.lastname@example.org>
Sender: "SAS(r) Discussion" <SAS-L@LISTSERV.UGA.EDU>
From: Peter Flom <peterflomconsulting@MINDSPRING.COM>
Subject: Re: data manipulation question
Content-Type: text/plain; charset=UTF-8
>Hi, I have a pretty skewed and localized (clustered) data and
>I would like to categorize them into different bins.
>What is a statistically valid way to do so?
>Is there a statistical test that might help me on doing so?
What is your data?
What do you plan to do with it?
Is it a dependent variable, an independent variable, or what?
Why is it skewed?
How is it clustered?
Why did you collect it?
Binning is often a very bad idea.
Peter L. Flom, PhD
www DOT peterflomconsulting DOT com