Module tree 

Tree diagrams: geom_tree (tidy tree), org charts (boxed nodes) and geom_dendrogram. Layout by StatTree; links drawn as elbows, steps, diagonals or straight lines.

Structs

GeomTree

Tree diagram over parent → child links (from → to).

Enums

TreeLink

How a link joins parent and child.

TreeNode

How nodes are drawn.