tutorial.outlier.SimpleScoreDumper Maven / Gradle / Ivy

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/*
 * This file is part of ELKI:
 * Environment for Developing KDD-Applications Supported by Index-Structures
 *
 * Copyright (C) 2019
 * ELKI Development Team
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program. If not, see .
 */
package tutorial.outlier;

import java.util.ArrayList;

import de.lmu.ifi.dbs.elki.database.ids.DBIDIter;
import de.lmu.ifi.dbs.elki.database.ids.DBIDUtil;
import de.lmu.ifi.dbs.elki.database.relation.DoubleRelation;
import de.lmu.ifi.dbs.elki.result.Result;
import de.lmu.ifi.dbs.elki.result.ResultHandler;
import de.lmu.ifi.dbs.elki.result.ResultHierarchy;
import de.lmu.ifi.dbs.elki.result.ResultUtil;
import de.lmu.ifi.dbs.elki.result.outlier.OutlierResult;

/**
 * Simple example output handler for processing outlier scores.
 * 
 * @author Erich Schubert
 * @since 0.6.0
 */
public class SimpleScoreDumper implements ResultHandler {
  @Override
  public void processNewResult(ResultHierarchy hier, Result newResult) {
    // Get all new outlier results
    ArrayList ors = ResultUtil.filterResults(hier, newResult, OutlierResult.class);
    for (OutlierResult o : ors) {
      DoubleRelation scores = o.getScores();
      for (DBIDIter iter = scores.iterDBIDs(); iter.valid(); iter.advance()) {
        System.out.println(DBIDUtil.toString(iter) + " " + scores.doubleValue(iter));
      }
    }
  }
}