Research Article of Research Journal of Mathematics and Computer Science
A Logical Approach for Empirical Risk Minimization in Machine Learning for Data Stratification
1Taiwo, O. O., 2Awodele O., 3Kuyoro, S. O.
1,2,3Department of Computer Science, Babcock University, Ilishan-Remo, Ogun State, Nigeria
The data-driven methods capable of understanding, mimicking and aiding the information processing tasks of Machine Learning (ML) have been applied in an increasing range over the past years in diverse areas at a very high rate, and had achieved great success in predicting and stratifying given data instances of a problem domain. There has been generalization on the performance of the classifier to be the optimal based on the existing performance benchmarks such as accuracy, speed, time to learn, number of features, comprehensibility, robustness, scalability and interpretability. However, these benchmarks alone do not guarantee the successful adoption of an algorithm for prediction and stratification since there may be an incurring risk in its adoption. Therefore, this paper aims at developing a logical approach for using Empirical Risk Minimization (ERM) technique to determine the machine learning classifier with the minimum risk function for data stratification. The generalization on the performance of optimal algorithm was tested on BayesNet, Multilayered perceptron, Projective Adaptive Resonance Theory (PART) and Logistic Model Trees algorithms based on existing performance benchmarks such as correctly classified instances, time to build, kappa statistics, sensitivity and specificity to determine the algorithms with great performances. The study showed that PART and Logistic Model Trees algorithms perform well than others. Hence, a logical approach to apply Empirical Risk Minimization technique on PART and Logistic Model Trees algorithms is shown to give a detailed procedure of determining their empirical risk function to aid the decision of choosing an algorithm to be the best fit classifier for data stratification. This therefore serves as a benchmark for selecting an optimal algorithm for stratification and prediction alongside other benchmarks.
Keywords: Classification Algorithm, Machine Learning, Supervised Learning, Empirical Risk Minimization, Data Stratification
How to cite this article:
Taiwo et al.,. A Logical Approach for Empirical Risk Minimization in Machine Learning for Data Stratification. Research Journal of Mathematics and Computer Science, 2017; 1:3
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