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Mixture Models, Outliers, and the EM Algorithm

✍ Scribed by Aitkin, Murray; Wilson, Granville Tunnicliffe


Book ID
120047200
Publisher
American Statistical Association
Year
1980
Tongue
English
Weight
616 KB
Volume
22
Category
Article
ISSN
0040-1706

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The maximum-likelihood estimate of a mixture model is usually found by using the EM algorithm. However, the EM algorithm suffers from the local-optimum problem and therefore we cannot obtain the potential performance of mixture models in practice. In the case of mixture models, local maxima often in