两因子协方差分析

你可将word，excel表的数据直接拷入左边的文本框内，按提交进行计算。

Succeed for sample data!
协方差分析表
平方和与交叉积修正修正 F 临界值
方差来源自由度 ∑x^2 ∑xy ∑y^2 平方和自由度均方 F 值 .05 .01
因子 A 7,49.8125,38.53125,35.296875
因子 B 3,677.1875,401.21875,244.984375
因子A*B 21,211.4375,138.21875,114.828125
误差 32,25,11.5,21.5,16.21,31,0.52
总和 63,963.4375,589.46875,416.609375
A*B+误差 236.4375149.71875136.32812541.52
A*B 25.31211.212.331.912.5
A+误差 74.812550.0312556.79687523.34
7.1371.021.962.323.28
B+误差 702.1875412.71875266.48437523.9
7.6932.564.922.914.48

######## 共同斜率b为： 0.46 ########

回归系数检验表
变异来源	平方和	自由度	均方	F值	F临界值
回归	5.29	1	5.29	10.17	F0.05=4.16F0.01=7.53
误差	16.21	31	0.52

下面打印的是修正均值

因子B对结果影响显著，B因子各处理的均值修正为：

Warning: Use of undefined constant i - assumed 'i' (this will throw an Error in a future version of PHP) in D:\ms4w\Apache\htdocs\dsan\C13_lyzxfc.php on line 259
Y(i)平均 = 2.173125

Warning: Use of undefined constant i - assumed 'i' (this will throw an Error in a future version of PHP) in D:\ms4w\Apache\htdocs\dsan\C13_lyzxfc.php on line 259
Y(i)平均 = 2.703125

Warning: Use of undefined constant i - assumed 'i' (this will throw an Error in a future version of PHP) in D:\ms4w\Apache\htdocs\dsan\C13_lyzxfc.php on line 259
Y(i)平均 = 2.040625

Warning: Use of undefined constant i - assumed 'i' (this will throw an Error in a future version of PHP) in D:\ms4w\Apache\htdocs\dsan\C13_lyzxfc.php on line 259
Y(i)平均 = 2.765625

建议与评论