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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Generalized Pareto distribution ： ウィキペディア英語版 Generalized Pareto distribution In statistics, the generalized Pareto distribution (GPD) is a family of continuous probability distributions. It is often used to model the tails of another distribution. It is specified by three parameters: location $\backslash mu$, scale $\backslash sigma$, and shape $\backslash xi$. Sometimes it is specified by only scale and shape and sometimes only by its shape parameter. Some references give the shape parameter as $\backslash kappa\; =\; -\; \backslash xi\; \backslash ,$. ==Definition== The standard cumulative distribution function (cdf) of the GPD is defined by : $F\_(z)\; =\; \backslash begin$ 1 - \left(1+ \xi z\right)^ & \text\xi \neq 0, \\ 1 - e^ & \text\xi = 0. \end where the support is $z\; \backslash geq\; 0$ for $\backslash xi\; \backslash geq\; 0$ and $0\; \backslash leq\; z\; \backslash leq\; -\; 1\; /\backslash xi$ for . : $f\_(z)\; =\; \backslash begin$ (\xi z+1)^} & \text\xi \neq 0, \\ e^ & \text\xi = 0. \end 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Generalized Pareto distribution」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.