Sure, you can cut a pie into pieces, but what if it’s in four dimensions? Using spectral graph theory, mathematicians have solved a decades-old problem. Graph theory uses nodes and edges (dots and ...

Unless you’re a data scientist or have another job that commonly uses data visualization, selecting the right way to represent information can feel overwhelming. Software like Excel can stuff any type ...

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 ...

Excel displays percentages of a whole using pie charts, also known as wedge charts of circle graphs. Businesses tend to rely on such charts. The diagrams appear cluttered when graphing many items, and ...