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A new test for the presence of a normal mixture distribution based on the posterior Bayes factor

✍ Scribed by Murray Aitkin; Steve Finch; Nancy Mendell; Henry Thode

Publisher: Springer US
Year: 1996
Tongue: English
Weight: 389 KB
Volume: 6
Category: Article
ISSN: 0960-3174
DOI: 10.1007/bf00162522

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✦ Synopsis

We present a new test for the presence of a normal mixture distribution, based on the posterior Bayes factor of Aitkin (1991). The new test has slightly lower power than the likelihood ratio test. It does not require the computation of the MLEs of the parameters or a search for multiple maxima, but requires computations based on 'classification likelihood' assignments of observations to mixture components.

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