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The Type III SS correspond to Yates' weighted squares of means analysis. One use of this SS is in situations that require a comparison of main effects even in ...

2019/11/29 -Type II Sums of Squares should be used if there is no interaction between the independent variables. Sums of Squares are Mathematically defined ...

TYPE I vs. TYPE III Sum of Squares. Type I SS. • Referred to as Sequential sum of squares. • The order that sources of variation are listed in the model ...

2011/3/2 -The Sum of Squares for the Main Effects in a Type II ANOVA do not take the respective interaction terms into account while a Type III does. Thus ...

There is NO consensus on which type of SS should be used for unbalanced designs, but most statisticians generally recommend type III, which is the default in ...

Type II sum of squares are similar to Type III, except that they preserve the principle of marginality. This means that main factors are tested in light of one ...

The standard aov() function in base-R uses Type I sums of squares. Therefore, it is only appropriate when your data are balanced. If your data are unbalanced, ...

Type III sums of squares are commonly called partial sums of squares (for a complete discussion, refer to the chapter titled "The Four Types of Estimable ...

Given an n-vector of realized values y, the Type III numerator SS is S S 3 = y ′ P 3 y , and its df (degrees of freedom) is tr ( P 3 ) . Its ncp (non-centrality ...

2020/5/13 -The choice between Type II and Type III sums of squares in ANOVA and ANOVA-like models is a pretty obscure topic, but potentially important.