Key Points Homogeneity of variance is the assumption that your data sets are equal in variance. It allows for the validation ...

The Factorial ANOVA task enables you to perform an analysis of variance when you have multiple classification variables. In this example, a factorial model is specified, and a plot of the two-way ...

Analysis of Variance for Categorical Data and Generalized Linear Models . A categorical variable is defined as one that can assume only a limited number of values. For example, a person's sex is a ...

Analysis of variance testing is used in finance in several different ways, such as to forecast the movements of security prices by first determining which factors influence stock fluctuations.

A variance inflation factor (VIF) is a measure of the amount of multicollinearity in regression analysis. Multicollinearity exists when there is a correlation between multiple independent ...

Factorial analysis of variance (ANOVA) can be very misleading in drug combination studies. Drugs follow a nonlinear dose-response pattern, and ANOVA is based on linear modeling.