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Table Of Contents
Large Scale Machine Learning with Python
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In this chapter, we will focus on scalable methods for classification and regression trees. The following topics will be covered:
The aim of a decision tree is to learn a series of decision rules to infer the target labels based on the training data. Using a recursive algorithm, the process starts at the tree root and splits the data on the feature that results in the lowest impurity. Currently, the most widely applicable scalable tree-based applications are based on CART. Introduced by Breiman, Friedman Stone, and Ohlson in 1984, CART is an abbreviation of Classification and Regression Trees. CART is different from other decision tree models (such as ID3, C4.5/C5.0, CHAID, and MARS) in two ways. First, CART is applicable...