The Comparison of Gini and Twoing Algorithms in Terms of Predictive Ability and Misclassification Cost in Data Mining: An Empirical Study

  IJCTT-book-cover
 
International Journal of Computer Trends and Technology (IJCTT)          
 
© 2015 by IJCTT Journal
Volume-27 Number-1
Year of Publication : 2015
Authors : Murat Kayri, İsmail Kayri
  10.14445/22312803/IJCTT-V27P105

MLA

Murat Kayri, İsmail Kayri "The Comparison of Gini and Twoing Algorithms in Terms of Predictive Ability and Misclassification Cost in Data Mining: An Empirical Study". International Journal of Computer Trends and Technology (IJCTT) V27(1):21-30, September 2015. ISSN:2231-2803. www.ijcttjournal.org. Published by Seventh Sense Research Group.

Abstract -
The classification tree is commonly used in data mining for investigating interaction among predictors, particularly. The splitting rule and the decision trees technique employ algorithms that are largely based on statistical and probability methods. Splitting procedure is the most important phase of classification tree training. The aim of this study is to compare Gini and Twoing splitting rules in terms of misclassification cost, obtained the optimal balanced trees and the importance of independent variables. This study shows that the results obtained using the Twoing criterion, as it yields a tree that is much more equally balanced than the tree obtained with the Gini criterion. Misclassification rate was slightly different for the two methods (19% using Twoing criterion and 21,2% for the Gini).Using Twoing splitting rule gets more importance level independent variables and the improvement values are higher than the Gini algorithm. All things being considered, the good performance of the Twoing splitting in this study combined with its robustness to get high classification accuracy, tree structure and the importance of independent variables.

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Keywords
Association rules, classification, data mining, parameter estimation, statistical learning.