Preliminary test estimators and phi-divergence measures in pooling binomial data
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نویسنده
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martin n. ,pardo l.
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منبع
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pakistan journal of statistics and operation research - 2012 - دوره : 8 - شماره : 3 - صفحه:331 -343
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چکیده
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Two independent random samples are drawn from two binomial populations with parameters θ 1 and θ 2 respectively. ahmed (1991) considered a preliminary test estimator based on maximum likelihood estimator for estimating θ 1 when it is suspected that θ 1 = θ 2. in this paper we combine minimum phi-divergence estimators as well as phi-divergence test statistics in order to define preliminary phi-divergence test estimators. these new estimators are compared with the classical estimator as well as the pooled estimator.
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کلیدواژه
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Minimum phi-divergence estimator; Phi-divergence statistics; Pooling Binomial data; Preliminary tests estimators.
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آدرس
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department of statistics carlos iii,university of madrid, Spain, department of statistics and o.r,complutense university of madrid, Spain
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