Abstract
SVM has been given top consideration for addressing the challenging problem of data imbalance learning. Here,we conduct an empirical classification analysis of new UCI datasets that have dierent imbalance ratios, sizes andcomplexities. The experimentation consists of comparing the classification results of SVM with two other popularclassifiers, Naive Bayes and decision tree C4.5, to explore their pros and cons. To make the comparative exper-iments more comprehensive and have a better idea about the learning performance of each classifier, we employin total four performance metrics: Sensitive, Specificity, G-means and time-based eciency. For each benchmarkdataset, we perform an empirical search of the learning model through numerous training of the three classifiersunder dierent parameter settings and performance measurements. This paper exposes the most significant resultsi.e. the highest performance achieved by each classifier for each dataset. In summary, SVM outperforms the othertwo classifiers in terms of Sensitive (or Specificity) for all the datasets, and is more accurate in terms of G-meanswhen classifying large datasets.
Highlights
Data classification is a significant research topic in the areas of data mining and machine learning
The experimentation consists of comparing the classification results of Support Vector Machine (SVM) with two other popular classifiers, Naive Bayes and decision tree C4.5, to explore their pros and cons
A well-known classifier is the Support Vector Machine (SVM), which was initially introduced by Vapnik (Vapnik, 1998)
Summary
Data classification is a significant research topic in the areas of data mining and machine learning. Learning from training data that are imbalanced is diffcult since the standard machine learning systems often misclassify minority instances as majority ones (Koknar-Tezel Latecki, 2009). This means that the prediction of classifying a new data into the minority class is very low (Haibo Garcia, 2009).
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