
正規性の検定に利用される多変量標本歪度・尖度として,Mardia型とSrivastava型の比較を考察した.古くから良く知られている前者に対し,後者に関してはこれまであまり深く研究されていない.本稿では,非正規性の下での後者の理論的な評価を漸近展開の形で与えた.また,両者の数値的な比較についてシミュレーションを行い検証した.
asymptotic expansion, non-normality, moment
asymptotic expansion, non-normality, moment
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