Decision trees, such as C4.5 (ref. 1), CART 2 and newer variants, are classifiers that predict class labels for data items. Decision trees are at their heart a fairly simple type of classifier ...

The seasonal family business, which has 2,500 apple trees today, attracts customers ... the miraculous beginnings of her spur-of-the-moment decision. "We did not envision this is how it would ...