if a model nested within itself before collapsing categorical variable, is it necessary to do this? how to nested a model in excel can a continuous variable collapse into categorical variable is categorical variable an indicator variable if a model is nested within itself before collapsing categorical variables, what is that if a model is nested within itself, is a continuous variable nested? what is the interaction variable for categorical why are categorical variable nested if a categorical variable is nested within itself then what is a continuous variable are categorical variables included in regression model can categorical variables be collapsing are categorical variables nested is a model nested within itself before collapsing categorical variables? what kind of variable does a linear regression model need what is the categorical variable in rrs which categorical variable is the indicator variable of a regression model? if you collapse model with variable is a regression model nested within itself before collapsing categorical variables? are categorical variables in a regression model nested? reversing categorical variables