Journal
ENGINEERING APPLICATIONS OF ARTIFICIAL INTELLIGENCE
Volume 67, Issue -, Pages 270-282Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.engappai.2017.10.007
Keywords
Decision tree ensemble
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Funding
- CONACYT [372236]
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While diversity has been argued to be the rationale for the success of an ensemble of classifiers, little has been said Decision tree ensemble on how uniform use of the feature space influences classification error. Following an observation from a recent result, published elsewhere, among several ensembles of decision trees, those with a more uniform feature-use frequency also have a smaller classification error. This paper provides further support to such hypothesis. We have conducted experiments over 60 classification datasets, using 42 different types of decision tree ensembles, to test our hypothesis. Our results validate the hypothesis, prompting the design of ensemble construction methods that make a more uniform use of features, for classification problems of low and medium dimensionality. (C) 2017 Elsevier Ltd. All rights reserved.
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