MOA is an open source framework for Big Data stream mining. It includes a collection of machine learning algorithms (classification, regression, clustering, outlier detection, concept drift detection and recommender systems) and tools for evaluation.
The weka.core.Instance::classValue throws UnassignedClassException when classIndex is negative. To solve that I added check whether classIndex is greater or equal to zero.
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The weka.core.Instance::classValue throws UnassignedClassException when classIndex is negative. To solve that I added check whether classIndex is greater or equal to zero.