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實證分佈函數

綠色線表示個總體嘅累計分佈函數,而藍色線表示個樣本嘅實證分佈函數。
綠色線表示個總體嘅累計分佈函數,而藍色線表示個樣本嘅實證分佈函數。

實證分佈函數empirical distribution function)係統計學上嘅一個概念。一個樣本會有一個實證分佈函數:原則上,一個樣本嘅數據係嚟自個總體累計分佈函數,不過樣本嘅個案數量實係有限嘅,所以個樣本嘅數值嘅累計分佈函數(實證分佈函數)會同總體理論上嗰個累計分佈函數唔同。

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實證分佈函數
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