Comparing ensemble learning methods based on decision tree classifiers for protein fold recognition Online publication date: Tue, 21-Oct-2014
by Mahshid Khatibi Bardsiri; Mahdi Eftekhari
International Journal of Data Mining and Bioinformatics (IJDMB), Vol. 9, No. 1, 2014
Abstract: In this paper, some methods for ensemble learning of protein fold recognition based on a decision tree (DT) are compared and contrasted against each other over three datasets taken from the literature. According to previously reported studies, the features of the datasets are divided into some groups. Then, for each of these groups, three ensemble classifiers, namely, random forest, rotation forest and AdaBoost.M1 are employed. Also, some fusion methods are introduced for combining the ensemble classifiers obtained in the previous step. After this step, three classifiers are produced based on the combination of classifiers of types random forest, rotation forest and AdaBoost.M1. Finally, the three different classifiers achieved are combined to make an overall classifier. Experimental results show that the overall classifier obtained by the genetic algorithm (GA) weighting fusion method, is the best one in comparison to previously applied methods in terms of classification accuracy.
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