第十九章變積分析
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第十九章變積分析 ( 共變數分析 ) Analysis of Covariance * 各處理之試驗資料 (y) 受另一變數 (x ) 之影響 , y 值必先修正後再作比較 * 如馬玲薯品種產量 (y) 比較試驗 , 每試區之株數 ( 如 x 為 15,19,20,…) 不完全相同 , 故產量 (y ) 必需修正為每區同株數條件下再作比較. 單向一個共變數變積分析. 單向一個共變數變積分析表. [ 例 19.1] 甘藷三品種塊根產量比較試驗. 各效應平方和求法. 各效應平方和求法. 處理效應顯著性測驗.

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第十九章變積分析(共變數分析) Analysis of Covariance*各處理之試驗資料(y)受另一變數(x)之影響,y值必先修正後再作比較* 如馬玲薯品種產量(y)比較試驗 ,每試區之株數(如x為15,19,20,…)不完全相同,故產量(y)必需修正為每區同株數條件下再作比較




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[例19.1]甘藷三品種塊根產量比較試驗




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處理效應顯著性測驗

  • F=[(SSE’-SSE)/(m-1)]/SSE/(m(n-1)-1)

  • =(13.28/2)/(27.99/11)=2.61<

  • 三品種塊根產量未達5%顯著水準

  • 迴歸係數

  • 迴歸係數顯著性測驗











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[例19.2]五馬鈴薯產量比較試驗









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  • ~ The End ~


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