On arbitrarily underdispersed discrete distributions

Name: On arbitrarily underdispersed discrete distributions
Start: 2022-04-28 12:00:00

Event status:

You are welcome to attend the following joint La Trobe statistics and stochastic seminar.

Date:: Thursday 28 April 2022 12:00 pm until Thursday 28 April 2022 01:00 pm (Add to calendar)
Contact:: Andriy Olenko
a.olenko@latrobe.edu.au
Presented by:: Dr Alan Huang, UQ
Type of Event:: Seminar/Workshop/Training

Abstract:

We review a range of generalized count distributions, investigating which (if any) can be arbitrarily underdispersed, i.e., its variance can be arbitrarily small compared to its mean. A philosophical implication is that models failing this criterion perhaps should not be considered a “statistical model” according to the extendibility criterion of McCullagh (2002). Four practical implications will be discussed. We suggest that all generalizations of the Poisson distribution be tested against this property.

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Meeting ID: 89942219319