"Contagious" Distribution

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3 total messages Started by Gregory Lapin Tue, 26 Jan 1993 20:00

#857

Author: Gregory Lapin
Date: Tue, 26 Jan 1993 20:00

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I have been presented with the problem of recognizing a "Contagious"
distribution, which has been described to me as a distribution of items
that are clustered.

I have not been able to find any references to this type of distribution.
If anyone knows of such references, or another name that describes this,
please either respond to this newgroup or by email.

Thanks,

Greg Lapin
glapin@nwu.edu

Re: "Contagious" Distribution

#890

Author: Chuck Haas
Date: Thu, 28 Jan 1993 14:11

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See:NL Johnson and S Kotz, Discrete Distributions, Houghton-Mifflin
(1969), which has a chapter on contagious distributions and also
discussion of a number of specific types.  The most common are Negative
Binomial, and Neyman type A.  There are also a wealth of references on
fitting contagious distributions of various types.



Charles N. Haas
Professor, Environmental Engineering
Drexel University, Philadelphia PA 19104
======================================
CHaas@COE.Drexel.Edu

Re: "Contagious" Distribution

#887

Author: Doug Hart
Date: Thu, 28 Jan 1993 16:19

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In article <1993Jan26.200021.18490@news.acns.nwu.edu>, lapin@casbah.acns.nwu.edu (Gregory Lapin) writes:
|> 
|> I have been presented with the problem of recognizing a "Contagious"
|> distribution, which has been described to me as a distribution of items
|> that are clustered.
|> 
|> I have not been able to find any references to this type of distribution.
|> If anyone knows of such references, or another name that describes this,
|> please either respond to this newgroup or by email.
|> 
|> Thanks,
|> 
|> Greg Lapin
|> glapin@nwu.edu

In the 3rd edition of Mood, Graybill, and Boes, _Introduction to the Theory
of Statistics_, they discuss contagious distributions in section 4.3 of 
chapter 3. 

Doug Hart
hart@de01.denver.waii.com

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