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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 Total sum of squares ： ウィキペディア英語版 Total sum of squares In statistical data analysis the total sum of squares (TSS or SST) is a quantity that appears as part of a standard way of presenting results of such analyses. It is defined as being the sum, over all observations, of the squared differences of each observation from the overall mean.〔Everitt, B.S. (2002) ''The Cambridge Dictionary of Statistics'', CUP, ISBN 0-521-81099-X〕 In statistical linear models, (particularly in standard regression models), the TSS is the sum of the squares of the difference of the dependent variable and its mean: :$\backslash mathrm=\backslash sum\_^\backslash left(y\_-\backslash bar\backslash right)^2$ where $\backslash bar$ is the mean. For wide classes of linear models, the total sum of squares equals the explained sum of squares plus the residual sum of squares. For a proof of this in the multivariate OLS case, see partitioning in the general OLS model. In analysis of variance (ANOVA) the total sum of squares is the sum of the so-called "within-samples" sum of squares and "between-samples" sum of squares, i.e., partitioning of the sum of squares. In multivariate analysis of variance (MANOVA) the following equation applies〔 Especially chapters 11 and 12.〕 :$\backslash mathbf\; =\; \backslash mathbf\; +\; \backslash mathbf,$ where T is the total sum of squares and products (SSP) matrix, W is the within-samples SSP matrix and B is the between-samples SSP matrix. Similar terminology may also be used in linear discriminant analysis, where W and B are respectively referred to as the within-groups and between-groups SSP matrics.〔 ==See also== *Sum of squares (statistics) *Lack-of-fit sum of squares 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「Total sum of squares」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.