EXISTENCE AND CONSISTENCY OF MAXIMUM-LIKELIHOOD IN UPGRADED MIXTURE-MODELS

被引:16
作者
VANDERVAART, AW [1 ]
WELLNER, JA [1 ]
机构
[1] UNIV WASHINGTON,DEPT STAT GN22,SEATTLE,WA 98195
基金
美国国家科学基金会;
关键词
MIXTURE MODEL; MAXIMUM LIKELIHOOD; CONSISTENCY;
D O I
10.1016/0047-259X(92)90113-T
中图分类号
O21 [概率论与数理统计]; C8 [统计学];
学科分类号
020208 ; 070103 ; 0714 ;
摘要
Suppose one observes a sample of size m from the mixture density ∫ p(x|z) dη(z) and a sample of size n from the distribution η. The kernel p(x|z) is known. We show existence of the maximum likelihood estimator for η, characterize its support, and prove consistency as m, n → ∞. © 1992.
引用
收藏
页码:133 / 146
页数:14
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