Limited tolerance relation-based decision tree algorithm

  • Authors:
  • Ting-Liang Wang;Li Wang;Guo-Ping Xia;Ying-Cheng Xu

  • Affiliations:
  • School of Economics & Management, Beihang University, Beijing, China;School of Economics & Management, Beihang University, Beijing, China;School of Economics & Management, Beihang University, Beijing, China;School of Economics & Management, Beihang University, Beijing, China

  • Venue:
  • FSKD'09 Proceedings of the 6th international conference on Fuzzy systems and knowledge discovery - Volume 1
  • Year:
  • 2009

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Abstract

In this research, we study how to generate a decision tree from dataset with unknown values, and proposed a decision tree learning algorithm (LTR-C4.5). The algorithm based on limited tolerance relation and C4.5. Algorithm LTR- C4.5 is composed by two function modules: filling the unknown values and generating a decision tree. The algorithm recursive calls the two function modules when handling incomplete training samples. The outstanding feature of LTR- C4.5 is that it doesn't demand to fill all unknown values before generating a decision tree. Some experiments are used to simulation the algorithm and compared it to other methods.