# cm006 - October 11, 2017

## Overview

- Introduce relational data
- Demonstrate how tables can be linked to one another
- Demonstrate methods in
`dplyr`

for linking and merging related tables
- Practice joining tables
- Define factors
- Demonstrate how to transform and reorder factors for visualizations
- Practice transforming factors

## Before class

- Read Chapters 13, 15 from R for Data Science
- Do not complete exercises 13.4.6.2, 13.4.6.3, 13.5.1.1, and 13.5.1.2 – we will be completing these as in-class exercises

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