An investigation on the conditions of pruning an induced decision tree

An investigation on the conditions of pruning an induced decision tree

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Article ID: iaor1998532
Country: Netherlands
Volume: 77
Issue: 1
Start Page Number: 82
End Page Number: 95
Publication Date: Aug 1994
Journal: European Journal of Operational Research
Authors: ,
Keywords: artificial intelligence: expert systems
Abstract:

Empirical studies have shown that pruning a decision tree can increase the accuracy of a learned concept. A recent result identified conditions under which pruning techniques increase prediction accuracy. However, this result is based on samples of size three. This paper provides a generalization of previous results and investigates conditions where pruning is beneficial for concept accuracy as well as concept simplification. We show that pruning is theoretically useful in many situations.

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