數理統計 - 考試

By Queena
at 2013-06-14T17:31
at 2013-06-14T17:31
Table of Contents
黃文璋老師在3.5節末提到最佳直線預測的概念(correlation 與條件期望值的關係),在
證明中用到雙重期望值:
E[E((X - E(x)(Y - E(Y))|X] = E[(X - E(x))E(Y|X - E(Y)))]
請問這式如何導出?
感謝!
--
一個人澈悟的程度
恰等于他所受痛苦的深度
~~林語堂
--
證明中用到雙重期望值:
E[E((X - E(x)(Y - E(Y))|X] = E[(X - E(x))E(Y|X - E(Y)))]
請問這式如何導出?
感謝!
--
一個人澈悟的程度
恰等于他所受痛苦的深度
~~林語堂
--
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考試
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