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| Class Summary | |
|---|---|
| DatasetSplitter | Split a recommendation dataset into a training and a test set |
| FactorizationEvaluator | Measures the root-mean-squared error of a ratring matrix factorization against a test set. |
| FactorizationEvaluator.PredictRatingsMapper | |
| ParallelALSFactorizationJob | MapReduce implementation of the two factorization algorithms described in |
| RecommenderJob | Computes the top-N recommendations per user from a decomposition of the rating matrix |
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