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Trees: Conceptual
Tree Varietals

Trees come in various shapes and sizes depending on the dataset modeled.

Some are wide, with parent nodes referencing many child nodes.

Some are deep, with many parent-child relationships.

Trees can be both wide and deep, but each node will only ever have at most one parent; otherwise, they wouldn’t be trees!

Each time we move from a parent to a child, we’re moving down a level. Depending on the orientation we refer to this as the depth (counting levels down from the root node) or height (counting levels up from a leaf node).

Instructions

Think of the hierarchy of relationships at a company you know. Would those trees be deep, wide, or both?

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