标题: 菜鸟求解 [打印本页] 作者: shiyiming 时间: 2010-6-24 11:48 标题: 菜鸟求解 方差分析中model y = a x/选择项；
选择项中ss1,ss3是什么意思或者有什么作用？作者: shiyiming 时间: 2010-7-2 09:43 标题: Re: 菜鸟求解 ss1 and ss3 are two different methods to caculate square sum. Usually we use ss3 because when your design is unbalanced ss3 is better than ss1, but when balanced ss1 and ss3 are just the same.