They are popular because they are popular, which is a circular argument that suits a pie chart. But there are some serious downsides to using the humble pie.

The Graph Makeover Contest makes it clear that there are multiple ways to plot a data set with no one way being best. This post shows alternatives to a pair of donut charts.

The most commonly used chart type for discrete data is the column chart. Each vertical column in the chart represents one data value, with the height of the column denoting the frequency of the value.

Haiku Deck 2.0 Brings Charts, Graphs And Lists To Its Super Simple iPad Presentation Tool Darrell Etherington 5:59 AM PST · March 7, 2013 ...

Fox News employs charts and tricks to convey data, raising questions about media presentation.