To produce a pie chart, data is required. The data often comes in the form of a table. To create a pie chart, the size of the angles needed must be calculated. A student asked their friends how ...

Each Saturday, Opinion columnist Philip Bump makes and breaks down charts explaining the latest in economics, pop culture, politics and more. “Imagine a pie chart that shows Visuals at 42 ...

Today, we update one of our favorite charts, which looks at how orders route ... and how orders are handed by brokers, means each pie actually works quite differently to the others.

Pie charts are often the first pick when it comes to presenting data with different categories, such as age group or blood ...