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.

The set launches with a 146,000-unit first week. By Kevin Rutherford Metallica’s 72 Seasons debuts atop multiple Billboard charts dated April 29, including the Top Rock & Alternative Albums survey. In ...

Forbes contributors publish independent expert analyses and insights. Hugh McIntyre covers music, with a focus on the global charts. Deftones are more than four years removed from their last album, ...

An organizational chart is a pictorial or graphic presentation of, ideally, how power operates in an organization. Usually, the simpler charts show a single head that then divides into different ...