Exercise

Explore your best and worst fitting models

Let's explore your four best and worst fitting models by comparing the fitted lines with the actual values.

Instructions 1/2

XP

1
Visualize the fit of your four best fitting models with respect to year by plotting both life_expectancy as points and .fitted as a line.
2
Visualize the fit of your four worst fitting models with respect to year by plotting both life_expectancy as points and .fitted as a line.