文档介绍：检验两个因素的交互效应,,或已知交互作用对试验的指标影响很小,则可以不考虑交互作用. 对两个因素的每一组合只做一次试验,也可以对各因素的效应进行分析——双因素无重复试验的方差分析. 双因素无重复试验的方差分析 Evaluation only. Evaluation only. Created with Client Profile . Created with Client Profile . Copyright 2004-2011 Aspose Pty Ltd. Copyright 2004-2011 Aspose Pty Ltd. 因素 B因素 A1A rA 2A 1B 2B sB 11x 21x 1rx 12x 22x 2rx 1sx 2sx rsx ???????? Evaluation only. Evaluation only. Created with Client Profile . Created with Client Profile . Copyright 2004-2011 Aspose Pty Ltd. Copyright 2004-2011 Aspose Pty Ltd. 假设.,,1,,,1 ),,( 2sjriNX ij ij??????~.,, 2 均为未知参数独立各?? ij ijX 1 1 111,1,1, , 1, 2, , , , 1, 2, , . r s ij i j s i ij jr j ij i i i j j rssr a i r b j s ? ?? ?? ?? ?? ?? ????????????????????? ????? ?????????记 Evaluation only. Evaluation only. Created with Client Profile . Created with Client Profile . Copyright 2004-2011 Aspose Pty Ltd. Copyright 2004-2011 Aspose Pty Ltd. 双因素无重复试验方差分析的数学模型 2 1 1 , (0, ), , 1, 2, , , 1, 2, , , 0, 0. ij i j ij ij ij r s i j i j X a b N i r j s a b ? ?? ??? ?? ???????? ????? ???? ?? ?~各独立 Evaluation only. Evaluation only. Created with Client Profile . Created with Client Profile . Copyright 2004-2011 Aspose Pty Ltd. Copyright 2004-2011 Aspose Pty Ltd. 任务:检验假设 01 1 2 11 1 2 : 0, : , , , . rr H a a a H a a a ? ????????不全为零 02 1 2 12 1 2 : 0, : , , , . ss H b b b H