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A somewhat easier way to obtain type II and III SS is through the car package. This defines a new function, Anova(), which can calculate type II and III SS ...

2011/3/2 -“ANOVA for unbalanced data: Use Type II instead of Type III sums of squares”, Statistics and Computing, Volume 13, Number 2, pp. 163-167, 2003.

As you'll see, the Anova() function requires you to enter a regression object as the main argument, and not a formula and dataset. That is, you need to first ...

2013/5/29 -Type II gets around the order issue in Type I and compares sensible models (unlike Type III). Main effects are tested with all other main ...

Type I (sequential) anova is given by the R command “anova(modl)”. It shows how the RSS decreases as each predictor is added to the model. It changes if you ...

2020/3/20 -A two-way ANOVA is used to estimate how the mean of a quantitative variable changes according to the levels of two independent variables.

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.

2019/11/29 -Two-Way ANOVA is ANOVA with 2 independent variables. Three different methodologies for splitting variation exist: Type I, Type II and Type III ...

It could refer to any comparison between two nested regression models with an F-test. For example, in a multiple regression model with a mix of continuous and ...

2021/5/25 -Analysis of variance (ANOVA) is a statistical procedure, developed by R. A. Fisher, used to analyze the relationship between a continuous ...