BCT Polar Stacked Column Chart
BCT Sunburst Chart 18
Donut Chart with Custom Categories
Here is a donut chart with all the points divided into two categories. Each point was colored according to its category. Labels inside the donut are interactive and can be used instead of the chart's legend.
Nightingale Rose Chart
A Nightingale Rose Chart (Coxcomb Chart or Polar Area Diagram) is a combination of the Radar Chart and Stacked Column Chart. It is helpful when working with cyclic data (months, seasons, years, etc.) and with statistical data. Meteorologists use it to illustrate a wind rose.
BCT Doughnut Chart 01
BCT Doughnut Chart 03
BCT Doughnut Chart 05
BCT Doughnut Chart 06
Donut Chart
A Donut Chart (Donut Graph) is a variation of a Pie Chart, which has a blank center. It also illustrates proportions, and its center can contain additional information about the data it shows.