How to Evaluate a Decision Tree Model. ... For example, label an outcome worth $300,000 that has a 30-percent chance of succeeding as $90,000 on your list.

A 15ft (4.5m) tree displayed in Clacton, Essex in 2013 was labelled "a twig" by critics and replaced. This year's effort, a 30ft (9m) high Norwegian spruce has been decorated with more than 8,000 ...