Examples of LongPair

Examples of org.apache.mahout.common.LongPair

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    public double estimate(Long itemID) throws TasteException {
      RunningAverage average = new FullRunningAverage();
      double[] similarities = similarity.itemSimilarities(itemID, toItemIDs);
      for (int i = 0; i < toItemIDs.length; i++) {
        long toItemID = toItemIDs[i];
        LongPair pair = new LongPair(toItemID, itemID);
        if (rescorer != null && rescorer.isFiltered(pair)) {
          continue;
        }
        double estimate = similarities[i];
        if (rescorer != null) {
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Examples of org.apache.mahout.common.LongPair

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        return Double.NaN;
      }
      if (rescorer == null) {
        return similarity.userSimilarity(toUserID, userID);
      } else {
        LongPair pair = new LongPair(toUserID, userID);
        if (rescorer.isFiltered(pair)) {
          return Double.NaN;
        }
        double originalEstimate = similarity.userSimilarity(toUserID, userID);
        return rescorer.rescore(pair, originalEstimate);
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Examples of org.apache.mahout.common.LongPair

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    return recommendedItems.size() > howMany ? recommendedItems.subList(0, howMany) : recommendedItems;
  }
 
  @Override
  public float estimatePreference(long userID, long itemID) throws TasteException {
    return estimatedPrefCache.get(new LongPair(userID, itemID));
  }
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