How To Blend Data In Looker Studio With Practical Examples You can create custom reports that provide a comprehensive view of your data, bringing together insights from multiple data sources.

Pie charts also do badly when there are lots of categories. For example, this chart from a study on data sources used for COVID data visualisation shows hundreds of categories in one pie.

The source for an organization chart in Visio must include an employee name and the name of the employee's manager.

Learn about pie charts with this BBC Bitesize Maths article. For students between the ages of 11 and 14.