124 Dummy variable trap in STATA

In this video, we explore the common econometric pitfall known as the dummy variable trap and how Stata handles it. We demonstrate how Stata automatically omits a dummy variable to avoid perfect collinearity when including all categories of a categorical variable like 'race'. You'll learn how Stata designates a reference group and what that means for interpreting your regression coefficients. This tutorial uses the wage dataset and shows the practical application of these concepts within Stata. Visit AxiomTutoring.com and subscribe to @AxiomTutoringCourses.