Fw: [問題] 完備充分統計量
※ [本文轉錄自 Math 看板 #1FMUqR65 ]
作者: bjbjbj123 (查無此人) 看板: Math
標題: [機統] 完備充分統計量
時間: Fri Mar 9 19:44:22 2012
-(x-θ) -(x-θ)
f(x|θ)=e exp(-e ) , -∞<x<∞,-∞<θ<∞
這題完備充分統計量不存在
-x θ -x θ
我想問的是如果我把它分解成 e e exp(-e e )
那不就是一個指數族了嗎???
θ
且e 可包含一個一維度的空間
那根據定理不是可以說完備充分統計量存在了嗎??
請問這個想法錯在哪
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