Get startedGet started for free

Visualizing the distribution of residuals

Let's now compute both the predicted score \(\hat{y}\) and the residual \(y - \hat{y}\) for all \(n = 463\) instructors in the evals dataset. Furthermore, you'll plot a histogram of the residuals and see if there are any patterns to the residuals, i.e. your predictive errors.

model_score_4 from the previous exercise is available in your workspace.

This exercise is part of the course

Modeling with Data in the Tidyverse

View Course

Hands-on interactive exercise

Have a go at this exercise by completing this sample code.

# Calculate predictions and residuals
model_score_4_points <- ___
model_score_4_points
Edit and Run Code