Exploratory data analysis

Overview

• Define exploratory data analysis (EDA) and types of pattern exploration
• Demonstrate types of graphs useful for EDA and precautions when interpreting them
• Practice exploring data

Before class

• Read Chapters 7-8 from R for Data Science

Class materials

• Exploratory data analysis
• Practice exploring college education (data)

Additional resources

• Graphical Data Analysis with R - Antony Unwin. Great coverage of a range of graphical methods for data exploration and analysis. Also draws on packages beyond ggplot2 for statistical graphics.

Cheat sheets

• Data visualization with ggplot2 cheat sheet

What you need to do after class

• Complete the exploring and visualizing data homework