what is the categorical variable don't know/refused what is categorical variable can categorical variables be used in diabetes prediction what is categorical variability what is categorical variable for diabetes which variable is categorical? what variable is categorical versus independent which variable has categorical or independent mean? do u need to know/refused levels to model diabetes which categorical variable is associated with diabetes why is the variable don't know/refused categorical categorical variability in diabetes model can you remove don't know refused variables during regression what variables are categorical what variable are categorical is blood pressure categorical categorical diabetes model what is categorical variability in diabetes what is the categorical variability for diabetes categorical variables