[R] Simple question on binning data

Frank E Harrell Jr f.harrell at Vanderbilt.Edu
Sat May 15 04:18:48 CEST 2010

On 05/14/2010 07:35 PM, kMan wrote:
> Wow! This definitely contributed to my evening.
> If you could indulge, I would like some clarification on this matter of
> binning and distortion, particularly wrt time series (perhaps related to
> long-memory processes?). I had thought binning was standard practice in
> spectral analysis and ANPOW.
> ...<snip>
> Bert is correct.  Binning is seldom needed and usually distorts.  It is the
> statistical equivalent of a former governor from Alaska.
> Frank
> ...<snip>
> Sincerely,
> KeithC.

My experience in time series is limited so I'll defer to others.

Frank E Harrell Jr   Professor and Chairman        School of Medicine
                      Department of Biostatistics   Vanderbilt University

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