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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 weighted geometric mean ： ウィキペディア英語版 weighted geometric mean In statistics, given a set of data, :$X=\backslash$ and corresponding weights, :$W=\backslash$ the weighted geometric mean is calculated as :$\backslash bar\; =\; \backslash left(\backslash prod\_^n\; x\_i^\backslash right)^\; =\; \backslash quad\; \backslash exp\; \backslash left(\; \backslash frac\; \backslash right)$ Note that if all the weights are equal, the weighted geometric mean is the same as the geometric mean. Weighted versions of other means can also be calculated. Probably the best known weighted mean is the weighted arithmetic mean, usually simply called the weighted mean. Another example of a weighted mean is the weighted harmonic mean. The second form above illustrates that the logarithm of the geometric mean is the weighted arithmetic mean of the logarithms of the individual values. ==See also== *average *central tendency *summary statistics *Weighted mean 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「weighted geometric mean」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.