Package org.apache.mahout.math.map

Examples of org.apache.mahout.math.map.OpenLongDoubleHashMap

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    this.numSimilarItems = numSimilarItems;
    this.similarity = similarity;

    averageRating = averageRating();

    itemBiases = new OpenLongDoubleHashMap(getDataModel().getNumItems());
    userBiases = new OpenLongDoubleHashMap(getDataModel().getNumUsers());

    for (int pass = 0; pass < numOptimizationPasses; pass++) {
      optimizeItemBiases(itemBiasRegularization);
      optimizeUserBiases(userBiasRegularization);
    }
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  • org.apache.mahout.cf.taste.impl.recommender.BiasedItemBasedRecommender
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