[R] Simple question on binning data
Frank E Harrell Jr
f.harrell at Vanderbilt.Edu
Thu May 13 23:54:17 CEST 2010
On 05/13/2010 04:05 PM, Bert Gunter wrote:
> However, I'm going to go way out on a limb here, as I know absolutely
> nothing of what you're up to, and suggest that you do NOT need to bin your
> -- Bert
Bert is correct. Binning is seldom needed and usually distorts. It is
the statistical equivalent of a former governor from Alaska.
> Bert Gunter
> Genentech Nonclinical Biostatistics
> -----Original Message-----
> From: r-help-bounces at r-project.org [mailto:r-help-bounces at r-project.org] On
> Behalf Of Erik Iverson
> Sent: Thursday, May 13, 2010 1:51 PM
> To: george5000
> Cc: r-help at r-project.org
> Subject: Re: [R] Simple question on binning data
> There would be several people who could help if you gave us a minimal,
> reproducible example like the posting guide asks for.
> If you have a vector of continuous data, and need to create a
> categorical variable (in R, a factor) from that continuous variable,
> then ?cut can help you.
> george5000 wrote:
>> Hello everyone,
>> I have a data set, and I need to bin my data using a bin width of say
>> Would anyone be willing to tell me how to do this in R?
Frank E Harrell Jr Professor and Chairman School of Medicine
Department of Biostatistics Vanderbilt University
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