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CHINESE JOURNAL OF APPLIED PROBABILITY AND STATIST
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Two-Stage Estimation about Heteroscedastic Model Based on Variable Selection and Cluster Analysis
LI ShunYong, QIAN YuHua, ZHANG XiaoQin, NIU JianYong
School of Mathematical Sciences, Shanxi University, Taiyuan, 030006, China,  School of Computer and Information Technology,Shanxi University, Taiyuan, 030006, China, Key Laboratory of Computational Intelligence and Chinese Information Processing of Ministry of Education, Shanxi University, Taiyuan, 030006, China

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