Pie charts look cooler than other kinds of charts. They're based on pie, after all, and seem less accountant-like than bars, bubbles, and lines. They are, however, often a very wrong way to ...

If so, keep reading. These proven best practices will help. To keep things short, I’ve limited my suggestions to the two most commonly used data viz devices: pie charts and bar graphs.

Of the 29 entries, 20 were variations of bar charts. There were both horizontal and vertical grouped bar charts, some grouped by B2B and B2C and some grouped by the social media source.

To ensure charts and graphs are compliant with ADA standards, please use alt text to describe the nature or content of the data shown. If a chart is too complex to explain properly through alt text ...

Figure 2. Arrow chart used as an alternative to the multiple pie charts. The base of the arrow is the 2002 budget and the arrowhead points to the 2003 budget.

To us, pie charts hearken back to bad PowerPoint slides of yore (in fact, even data visualization expert Edward Tufte says they should never be used). But the pie, along with the bar chart, were ...

2 - 5 Just after the halfway point for Stage Two we come to our next pie chart. The goal is to get the first and third bar graph down to 0 percent and get the second bar graph up to 5/5.

William Playfair, the father of data visualisation, changed the way we understand information. His bar graphs, pie charts, and line graphs remain essential tools today, yet his name is barely known.