# Model building in R

# Background

Follow the steps in the model building tutorial - simple model described in section 2.3.

# Excercise

Complete the first two excercises from section 23.2.1.

- What is the effect of outliers on the final model?
- Does using a different metric help?

# Home Assignment

Linear regression is not suitable for all datasets. Explore how fitting a polynomial will affect the result. Complete the first exercise from section 23.3.3.