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

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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.