Compound graphs, a frequently encountered type of data set, have a hierarchical tree structure with parent-child relations (‘inclusion’ relations) and non-hierarchical relations between leaf nodes ...

It visualizes a large amount of data in a hierarchical tree-like structure. Treemaps are often used in sales data, especially for comparing the sales of products.

Organizations with hierarchical structures are easily graphed and defined. Often described as "tree structures," they are unambiguous and relatively permanent organizational models, in which each ...