翻訳と辞書 Words near each other ・ Kerpenyes ・ Kerpert ・ Kerpikend ・ Kerpini ・ Kerpiçköy, Haymana ・ Kerplunk ・ Kerplunk (album) ・ KerPlunk (game) ・ Kernel methods for vector output ・ Kernel Normal Form ・ Kernel panic ・ Kernel patch ・ Kernel Patch Protection ・ Kernel perceptron ・ Kernel preemption ・ Kernel principal component analysis ・ Kernel random forest ・ Kernel regression ・ Kernel relocation ・ Kernel same-page merging ・ Kernel Scheduled Entities ・ Kernel smoother ・ Kernel Transaction Manager ・ Kernel virtual address space ・ Kernel-based Virtual Machine ・ Kernel-Mode Driver Framework ・ Kernel.org ・ KernelCAD ・ KernelCare ・ KernelICA Dictionary Lists mini英和辞書 mini和英辞書 Webster 1913 Latin-English FOLDOC Wikipedia English ウィキペディア

翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Kernel principal component analysis ： ウィキペディア英語版 Kernel principal component analysis In the field of multivariate statistics, kernel principal component analysis (kernel PCA) 〔(Nonlinear Component Analysis as a Kernel Eigenvalue Problem )〕 is an extension of principal component analysis (PCA) using techniques of kernel methods. Using a kernel, the originally linear operations of PCA are done in a reproducing kernel Hilbert space with a non-linear mapping. ==Background: Linear PCA== Recall that conventional PCA operates on zero-centered data; that is, :$\backslash frac\backslash sum\_^N\; \backslash mathbf\_i\; =\; \backslash mathbf$. It operates by diagonalizing the covariance matrix, :$C=\backslash frac\backslash sum\_^N\; \backslash mathbf\_i\backslash mathbf\_i^\backslash top$ in other words, it gives an eigendecomposition of the covariance matrix: :$\backslash lambda\; \backslash mathbf=C\backslash mathbf$ which can be rewritten as :$\backslash lambda\; \backslash mathbf\_i^\backslash top\; \backslash mathbf=\backslash mathbf\_i^\backslash top\; C\backslash mathbf\; \backslash quad\backslash forall\; i\backslash in\; ()$.〔(Nonlinear Component Analysis as a Kernel Eigenvalue Problem (Technical Report) )〕 (See also: Covariance matrix as a linear operator) 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「Kernel principal component analysis」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.