Maximum likelihood estimation of multinomial probit factor analysis models for multivariate t-distribution

被引:0
|
作者
Jie Jiang
Xinsheng Liu
Keming Yu
机构
[1] Nanjing University of Aeronautics and Astronautics,State Key Laboratory of Mechanics and Control of Mechanical Structures, Institute of Nano Science
[2] Nanjing University of Aeronautics and Astronautics,College of Science
[3] Brunel University,Department of Mathematical Sciences
[4] Shihezi University,Business School
来源
Computational Statistics | 2013年 / 28卷
关键词
Multinomial probit model; Factor analysis; MCEM algorithm; -distribution;
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中图分类号
学科分类号
摘要
We propose a model for multinomial probit factor analysis by assuming t-distribution error in probit factor analysis. To obtain maximum likelihood estimation, we use the Monte Carlo expectation maximization algorithm with its M-step greatly simplified under conditional maximization and its E-step made feasible by Monte Carlo simulation. Standard errors are calculated by using Louis’s method. The methodology is illustrated with numerical simulations.
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页码:1485 / 1500
页数:15
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