Which Statement Is True About the Decision Tree Attribute Selection

Multiple Choice

Which statement is true about the decision tree attribute selection process described in your book?

A) A categorical attribute may appear in a tree node several times but a numeric attribute may appear at most once.
B) A numeric attribute may appear in several tree nodes but a categorical attribute may appear at most once.
C) Both numeric and categorical attributes may appear in several tree nodes.
D) Numeric and categorical attributes may appear in at most one tree node.