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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 Conditional probability table ： ウィキペディア英語版 Conditional probability table In statistics, the conditional probability table (CPT) is defined for a set of discrete (not independent) random variables to demonstrate marginal probability of a single variable with respect to the others. For example, assume there are three random variables $x\_1,x\_2,\; x\_3$ where each have $K$ states. Then, the conditional probability table of $x\_1$ provides the marginal probability values for $P(x\_1\backslash mid\; x\_2,x\_3)$. Clearly, this table has ''K''3 cells. In general, for $M$ number of variables $x\_1,x\_2,\backslash ldots,x\_M$ with $K$ states, the CPT has size ''K''''M''. CPT table can be put into a matrix form. For example, the values of $P(x\_j\backslash mid\; x\_i)=T\_$ create a matrix. This matrix is a stochastic matrix since sum of all its elements is equals to 1; i.e. $\backslash sum\_j\; T\_$. ==References== 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「Conditional probability table」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.