Article (Scientific journals)
A complete fuzzy decision tree technique
Olaru, C.; Wehenkel, Louis
2003In Fuzzy Sets and Systems, 138 (2), p. 221-254
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Keywords :
learning; approximate reasoning; fuzzy decision tree; data mining; soft split; pruning; global optimization; regression tree; neural network
Abstract :
[en] In this paper, a new method of fuzzy decision trees called soft decision trees (SDT) is presented. This method combines tree growing and pruning, to determine the structure of the soft decision tree, with refitting and backfitting, to improve its generalization capabilities. The method is explained and motivated and its behavior is first analyzed empirically on 3 large databases in terms of classification error rate, model complexity and CPU time. A comparative study on 11 standard UCI Repository databases then shows that the soft decision trees produced by this method are significantly more accurate than standard decision trees. Moreover, a global model variance study shows a much lower variance for soft decision trees than for standard trees as a direct cause of the improved accuracy. (C) 2003 Elsevier B.V. All rights reserved.
Disciplines :
Computer science
Mathematics
Author, co-author :
Olaru, C.;  Université de Liège - ULiège > Département d'Electricité, d'Electronique et d'Informatique > Systèmes et Modélisation
Wehenkel, Louis  ;  Université de Liège - ULiège > Dép. d'électric., électron. et informat. (Inst.Montefiore) > Systèmes et modélisation
Language :
English
Title :
A complete fuzzy decision tree technique
Publication date :
01 September 2003
Journal title :
Fuzzy Sets and Systems
ISSN :
0165-0114
eISSN :
1872-6801
Publisher :
Elsevier Science Bv, Amsterdam, Netherlands
Volume :
138
Issue :
2
Pages :
221-254
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 22 March 2009

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