elliptical distributions;
exponential power family;
mixture of normals;
Pearson type II;
skewness;
D O I:
10.1006/jmva.2000.1960
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:
This paper proposes a general class of multivariate skew-elliptical distributions. We extend earlier results on the so-called multivariate skew-normal distribution. This family of distributions contains the multivariate normal, Student's t, exponential power, and Pearson type II, but with an extra parameter to regulate skewness, We also obtain the moment generating functions and study some distributional properties. Several examples are provided. (C) 2001 Academic Press.
机构:
Qufu Normal Univ, Sch Stat & Data Sci, Qufu 273165, Shandong, Peoples R ChinaQufu Normal Univ, Sch Stat & Data Sci, Qufu 273165, Shandong, Peoples R China
Yin, Chuancun
Balakrishnan, Narayanaswamy
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机构:
McMaster Univ, Dept Math & Stat, Hamilton, ON, CanadaQufu Normal Univ, Sch Stat & Data Sci, Qufu 273165, Shandong, Peoples R China
机构:
Qufu Normal Univ, Sch Stat & Data Sci, Qufu 273165, Shandong, Peoples R ChinaQufu Normal Univ, Sch Stat & Data Sci, Qufu 273165, Shandong, Peoples R China
Zuo, Baishuai
Yin, Chuancun
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机构:
Qufu Normal Univ, Sch Stat & Data Sci, Qufu 273165, Shandong, Peoples R ChinaQufu Normal Univ, Sch Stat & Data Sci, Qufu 273165, Shandong, Peoples R China
机构:
Univ Autonoma Agr Antonio Narro, Dept Stat & Computat, Saltillo 25315, Coahuila, MexicoUniv Autonoma Agr Antonio Narro, Dept Stat & Computat, Saltillo 25315, Coahuila, Mexico
Diaz-Garcia, Jose A.
Gonzalez-Farias, Graciela
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机构:
Ctr Invest Matemat, Dept Probabil & Stat, Guanajuato 36240, MexicoUniv Autonoma Agr Antonio Narro, Dept Stat & Computat, Saltillo 25315, Coahuila, Mexico