Exercise

Multivariate Regression in R

Regression analysis also lets you trace the relationship between a y variable and more than one x variable. In this lesson, you will see if you can learn anything extra about the election by using county-level income data.

Instructions

100 XP

Building on the linear model you made in the previous exercise, add the per_capita_income variable to the lm() model call
Inspect the model output with summary().

Take Hint (-30 XP)