Can the users of financial statements and annual reports rely upon the charts in them for accuracy? A sample of 50 public ...

Pie charts are often used to show percentages of a whole. However, Professor Adrian Barnett, a statistician at the Queensland University of Technology, and researcher Victor Ogwoma argue that ``pie ...

Adrian Barnett is a member of the Statistical Society of Australia. Victor Oguoma is a member of the Statistical Society of Australia. Our lives are becoming increasingly data driven. Our phones ...

A data set that occurs frequently consists of the values or the percentage breakdown of several categories for two time periods. A common way of plotting these data is to use a pair of pie charts.

What an outstanding group of readers I have! Both the quality and the quantity of entries to the Graph Makeover Contest were amazing. There were 29 entries to the first part of the contest which ...

One option for sharing reports with your team is to simply rattle off numbers. Think something like this: "We allocated 10% of operating budget to maintenance, 15% to hardware upgrades, 18% to ...

The pie chart is easily the worst way to convey information ever developed in the history of data visualization. Sure, there are other more cumbersome ways to articulate data. But none have the ...