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From: saswss@hotellng.unx.sas.com (Warren Sarle)
Subject: Re: Classification Problem - Help needed
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In article <5e7kbo$om0$2@nntp.igs.net>, jamesknox@igs.net (James Knox) writes:
|> Problem:
|> Determine for each customer the number of stops that are scheduled and 
|> non-scheduled given a sequence of stops for the past six months, eg. 
|> (customer, date, time, number of pieces).
|> 
|> Definitions:
|> A scheduled stop is one that belongs to a set of pick-ups with similar times 
|> and occurring with some regularity over the period.
|> 
|> A non-scheduled stop is one that isn't scheduled.
|> 
|> Some customers may have only scheduled stops, others may have only 
|> non-scheduled stops and others may have both scheduled and non-scheduled 
|> stops.

This looks like a mixture model. See, for example:

Titterington, D.M., Smith, A.F.M., and Makov, U.E. (1985),
Statistical Analysis of Finite Mixture Distributions,
New York: John Wiley & Sons, Inc.

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Warren S. Sarle       SAS Institute Inc.   The opinions expressed here
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