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Estimation for dirichlet mixed models

✍ Scribed by Steve Leeds; Alan E. Gelfand

Publisher
John Wiley and Sons
Year
1989
Tongue
English
Weight
873 KB
Volume
36
Category
Article
ISSN
0894-069X

No coin nor oath required. For personal study only.

✦ Synopsis

Dirichlet mixed models find wide application. Estimation is usually achieved through the method of moments. Here we present an iterative hybrid algorithm for obtaining the maximum likelihood estimate employing both modified Newton-Raphson and E-M methods. This successful MLE algorithm enables calculation of a jack-knife MLE. Simulation comparison of the three estimates is provided. The MLE substantially improves upon the moments estimator particularly with increasing dimension. The jack-knife MLE in turn offers dramatic improvement over the MLE.

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