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.
There were a couple of subtle issues that may have popped up if sparse instances were used. These have been fixed now. I also removed a few unneeded lines while I was at it.
There were a couple of subtle issues that may have popped up if sparse instances were used. These have been fixed now. I also removed a few unneeded lines while I was at it.