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Ensemble methods are popular learning methods that usually increase the predictive accuracy of a classifier though at the cost of interpretability and insight in the decision process. In this paper we aim to overcome this issue of comprehensibility by learning a single decision tree that approximates an ensemble of decision trees. The new model is obtained by exploiting the class distributions predicted...
In this paper, we propose a new and general preprocessor algorithm, called CSRoulette, which converts any cost-insensitive classification algorithms into cost-sensitive ones. CSRoulette is based on cost proportional roulette sampling technique (called CPRS in short). CSRoulette is closely related to Costing, another cost-sensitive meta-learning algorithm, which is based on rejection sampling. Unlike...
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