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stat.ME2019
Robust Model Selection for Finite Mixture of Regression Models Through Trimming
Sijia Xiang, Weixin Yao
In this article, we introduce a new variable selection technique through trimming for finite mixture of regression models. Compared to the traditional variable selection techniques…
stat.ME2019
Maximum Likelihood Estimation of a Semiparametric Two-component Mixture Model using Log-concave Approximation
Yangmei Zhou, Weixin Yao
Motivated by studies in biological sciences to detect differentially expressed genes, a semiparametric two-component mixture model with one known component is being studied in this…