Categorical Regression Output Interpretation. Lets work through and interpret them together. One way to represent a categorical variable is to code the categories 0 and 1 as follows.
Output Variable text box. Now Ive always had a hard time on how to interpret these results. Oct 05 2020 Regression Analysis is a very efficient method and there are numerous types of regression models that one can use.
Suppose we fit a multiple linear regression model using the dataset in the previous example with Age Married and Divorced as the predictor variables and Income as the response variable.
Lets work through and interpret them together. When running a regression with a categorical independent variable we get results for each level of the variable except for the base which we can choose. This equation should look familiar to you as it represents the model of a simple linear regression. Figure 2 Regression with categorical data The model can predict the income of a 25 year old woman who is a Democrat provided you recognize that the coding is Age 25 Gender1 0 Party1 0 Party2 1.
