Chapter 2
Exploratory Data Analysis and Visualization

Learning Objectives

By the end of the chapter, you will be able to:

• Explain the importance of data exploration and communicate the summary statistics of a dataset
• Visualize patterns in missing values in data and be able to replace null values appropriately
• Identify continuous features and categorical features
• Visualize distributions of values across individual variables
• Describe and analyze relationships between different types of variables using correlation and visualizations

This chapter takes us through how to perform exploration and analysis on a new dataset.