Pie charts are a way to show data. Pie charts show proportions of a whole. The circle of the pie chart represents the whole. That's a full 360 degrees. Each part, or slice, represents part of the ...

Using spectral graph theory, mathematicians have solved a decades-old problem. Graph theory uses nodes and edges (dots and lines) to represent data. If you’ve ever drooled over a cherry pie, cut into ...

calculate the chart statistic for each midpoint (the default is FREQ). scale each slice to represent its chart statistic. No slice is drawn if the chart statistic for the midpoint is 0. order the ...