A Least-squares Approach to Direct Importance Estimation
The Journal of Machine Learning Research
LIBSVM: A library for support vector machines
ACM Transactions on Intelligent Systems and Technology (TIST)
A unifying view on dataset shift in classification
Pattern Recognition
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In this paper we show how to improve the generalization performance of Support Vector Machine (SVM) by incorporating density ratio based on Unconstrained Least Square Importance Fitting (uLSIF) into the SVM classifier. ULSIF function is known to have optimal non-parametric convergence rate with optimal numerical stability and higher robustness. The ULSIF-SVM classifier is validated using marketing dataset and achieved better generalization performance as compared against classic implementation of SVM.