Take some time to review the following exercises to practice what you've learned in First steps with numerical data.
- Get math statistics on a dataset, which shows you how to find columns containing blatant outliers.
- Find the bad part of the dataset, which guides you through visual and mathematical ways to find hidden bad values in a dataset.
Programming exercises run directly in your browser (no setup required!) using the Colaboratory platform. Colaboratory is supported on most major browsers, and is most thoroughly tested on desktop versions of Chrome and Firefox.