If you browse through a large, printed, newspaper and pick out all the charts you find you'll probably come across some of the following: bar chart, timeseries (line chart), pie chart, donut chart, stacked...

Bar charts have a distinct advantage over chart forms that require area or angle judgements. That's because the simple perceptual tasks we require for decoding a bar chart - judging lengths and/or position...

General principles While the fundamentals of chart design largely concern the accurate and efficient visual representation of data, it is important not to forget the supporting structures - axes, tick...

[youtube] width="560" height="315" src="http://www.youtube.com/embed/jmAxer96TKM" [/youtube] In this video we're going to take a look at adding multiple series to a single chart. Essentially, you'll...

As sites like viz.wtf illustrate, there are many ways to create confusing and misleading data visualizations. There are also many common design-choice options that might be considered sub-optimal. This...

When building out complex data visualizations, it’s easy to get overwhelmed by the virtually endless array of options around how to sort, filter, and display your data. Where do you even start? Check...

Imagine you want a chart that shows how some whole is divided up among its constituent parts. Popular convention may tell you to think in terms of a pie chart. As an example, here’s a bare-bones pie...