This chapter begins by examining techniques for dealing with clashes (i.e. inconsistent instances) in a training set. This leads to a discussion of methods for avoiding or reducing overfitting of a decision tree to training data. Overfitting arises when a decision tree is excessively dependent on irrelevant features of the training data with the result that its predictive power for unseen instances is reduced.
CITATION STYLE
Avoiding Overfitting of Decision Trees. (2007). In Principles of Data Mining (pp. 119–134). Springer London. https://doi.org/10.1007/978-1-84628-766-4_8
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