Polar Area Diagram
It is a diagram similar to a pie chart, in which the values of the portions have equal proportions, but their distances vary from the center.
A polar area diagram is similar to a pie chart, in which the values of the portions have equal proportions, but their distances vary from the center. It shows data over a cycle, such as the day's hours or the year's months. Florence Nightingale's "Diagram of the Causes of Mortality in the Army of the East" is one of the most famous. It is also called a coxcomb plot or a rose diagram.
