what is the categorical predictor variable for the continuous response what is categorical variable in response are categorical predictors continuous what is categorical variable and continuous response what predictor variable is continuous what predictor variables are used for continuous response? what is categorical variable? why do categorical variables differ between different soil types what predictor variable is continuous and categorical? what are continuous predictor variables in soil are categorical variables continuous variables what predictor variable is used for continuous responses in soil what is the categorical predictor of continuous response? what is continuous variable what categorical variable is % optical transmission how to test the relationship of categorical variables and continuous responses what is the categorical variables which predictor variable is continuous and categorical which predictor variables are included in the continuous response? which predictor variable is continuous