Examples of addDatum()

Examples of org.apache.mahout.cf.taste.impl.common.FullRunningAverage.addDatum()

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          if (numRecommendedItems > 0) {
            precision.addDatum((double) intersectionSize / (double) numRecommendedItems);
          }
          recall.addDatum((double) intersectionSize / (double) numRelevantItems);
          if (numRelevantItems < size) {
            fallOut.addDatum((double) (numRecommendedItems - intersectionSize)
                             / (double) (numItems - numRelevantItems));
          }
         
          long end = System.currentTimeMillis();
          GenericRecommenderIRStatsEvaluator.log
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Examples of org.apache.mahout.cf.taste.impl.common.FullRunningAverage.addDatum()

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      RunningAverage average = new FullRunningAverage();
      LongPrimitiveIterator it = cluster.iterator();
      while (it.hasNext()) {
        Float pref = dataModel.getPreferenceValue(it.next(), itemID);
        if (pref != null) {
          average.addDatum(pref);
        }
      }
      return average.getAverage();
    }
  }
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Examples of org.apache.mahout.cf.taste.impl.common.FullRunningAverage.addDatum()

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    try {
      buildAveragesLock.writeLock().lock();
      RunningAverage itemAverage = itemAverages.get(itemID);
      if (itemAverage == null) {
        RunningAverage newItemAverage = new FullRunningAverage();
        newItemAverage.addDatum(prefDelta);
        itemAverages.put(itemID, newItemAverage);
      } else {
        itemAverage.changeDatum(prefDelta);
      }
      RunningAverage userAverage = userAverages.get(userID);
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Examples of org.apache.mahout.cf.taste.impl.common.FullRunningAverage.addDatum()

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        itemAverage.changeDatum(prefDelta);
      }
      RunningAverage userAverage = userAverages.get(userID);
      if (userAverage == null) {
        RunningAverage newUserAveragae = new FullRunningAverage();
        newUserAveragae.addDatum(prefDelta);
        userAverages.put(userID, newUserAveragae);
      } else {
        userAverage.changeDatum(prefDelta);
      }
      overallAveragePrefValue.changeDatum(prefDelta);
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Examples of org.apache.mahout.cf.taste.impl.common.FullRunningAverage.addDatum()

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      RunningAverage average = new FullRunningAverage();
      LongPrimitiveIterator it = cluster.iterator();
      while (it.hasNext()) {
        Float pref = dataModel.getPreferenceValue(it.next(), itemID);
        if (pref != null) {
          average.addDatum(pref);
        }
      }
      return average.getAverage();
    }
  }
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Examples of org.apache.mahout.cf.taste.impl.common.FullRunningAverage.addDatum()

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    try {
      buildAveragesLock.writeLock().lock();
      RunningAverage average = itemAverages.get(itemID);
      if (average == null) {
        RunningAverage newAverage = new FullRunningAverage();
        newAverage.addDatum(prefDelta);
        itemAverages.put(itemID, newAverage);
      } else {
        average.changeDatum(prefDelta);
      }
    } finally {
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Examples of org.apache.mahout.cf.taste.impl.common.FullRunningAverage.addDatum()

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        }
        double estimate = similarity.itemSimilarity(toItemID, itemID);
        if (rescorer != null) {
          estimate = rescorer.rescore(pair, estimate);
        }
        average.addDatum(estimate);
      }
      return average.getAverage();
    }
  }
 
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Examples of org.apache.mahout.cf.taste.impl.common.FullRunningAverage.addDatum()

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    RunningAverage average = new FullRunningAverage();
    DataModel dataModel = getDataModel();
    LongPrimitiveIterator it = dataModel.getUserIDs();
    while (it.hasNext()) {
      for (Preference pref : dataModel.getPreferencesFromUser(it.nextLong())) {
        average.addDatum(pref.getValue());
      }
    }
    return average.getAverage();
  }
 
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Examples of org.apache.mahout.cf.taste.impl.common.FullRunningAverage.addDatum()

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      RunningAverage average = new FullRunningAverage();
      LongPrimitiveIterator it = cluster.iterator();
      while (it.hasNext()) {
        Float pref = dataModel.getPreferenceValue(it.next(), itemID);
        if (pref != null) {
          average.addDatum(pref);
        }
      }
      return average.getAverage();
    }
  }
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Examples of org.apache.mahout.cf.taste.impl.common.FullRunningAverage.addDatum()

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    try {
      buildAveragesLock.writeLock().lock();
      RunningAverage average = itemAverages.get(itemID);
      if (average == null) {
        RunningAverage newAverage = new FullRunningAverage();
        newAverage.addDatum(prefDelta);
        itemAverages.put(itemID, newAverage);
      } else {
        average.changeDatum(prefDelta);
      }
    } finally {
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