Exercise

Refresher: sum of squared residuals

Let's remind you how to compute the sum of squared residuals. You'll do this for two models.

Instructions 1/2

XP

1
2

Use the appropriate function to get a dataframe with the residuals for model_price_2.
Add a new column of squared residuals called sq_residuals.
Then summarize sq_residuals with their sum. Call this sum sum_sq_residuals.

Take Hint (-15 XP)