Sunburst chart is used to visualize a hierarchical dataset It shows hierarchy through a series of concentric rings, where each ring corresponds to a level in the hierarchy. Focusing on a segment in the ring gives a sense of the part to the whole relationship of the segment with respect to its parent ring segment. This chart displays only two layers of the hierarchy at a time. Click a node to zoom in, or the center to zoom out.
Bubble chart is used to visualize a data set with two to four dimensions. In the bubble chart below, each bubble represents a company, its area is proportional to its population size, and the horizontal and vertical positions relate to Income per capita and life expectancy (years), respectively.