Moment estimators for the beta-binomial distribution
Journal of Applied StatisticsPublished 1 January 1992
Eiji Yamamoto, Takemi Yanagimoto
Citations19
SJR quartileQ2
SJR score0.55
SNIP1.19
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Abstract
A new moment estimator of the dispersion parameter of the beta-binomial distribution is proposed. It is derived by the method of moments which is constrained to satisfy the unbiasedness of the estimating equation. It gives a better performance than those of the usual moment estimators and the stabilized moment estimator proposed by Tamura & Young. The bias of the estimator is smaller than that of the maximum likelihood estimate in a wide range of parameter space.
Keywords
Computer ScienceMathematicsEnvironmental Science
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