Tree view , Also called dendrogram . Tree graph is the graphical representation of data tree , Organizing objects in a parent-child hierarchy . It is an expression of enumeration . Tree diagram is also a kind of graph that junior high school students need to draw in learning probability problems .
Tree view (Treemap), Is used to show groups , An analytical tool for hierarchical proportional data , It passes through the area of the rectangle , The relationship between color and complexity is displayed , And it has groups , Hierarchical relationship display .
A tree view is a graph used to represent hierarchical relationships , For example, the hierarchical relationship obtained from hierarchical clustering . They are commonly used in biology , Especially genetics , Used to reveal the relationship between a group of genes or groups .