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The Waikato Environment for Knowledge Analysis (WEKA), a machine learning workbench. This is the stable version. Apart from bugfixes, this version does not receive any other updates.

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/*
 *   This program is free software: you can redistribute it and/or modify
 *   it under the terms of the GNU 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 General Public License for more details.
 *
 *   You should have received a copy of the GNU General Public License
 *   along with this program.  If not, see .
 */

/*
 *    UnivariateQuantileEstimator.java
 *    Copyright (C) 2009-2012 University of Waikato, Hamilton, New Zealand
 *
 */

package weka.estimators;

/**
 * Interface that can be implemented by simple weighted univariate
 * quantile estimators.
 *
 * @author Eibe Frank ([email protected])
 * @version $Revision: 8034 $
 */
public interface UnivariateQuantileEstimator {

  /**
   * Adds a value to the interval estimator.
   *
   * @param value the value to add
   * @param weight the weight of the value
   */
  void addValue(double value, double weight);

  /**
   * Returns the quantile for the given percentage
   *
   * @param value the value at which to evaluate
   * @return the quantile
   */
  double predictQuantile(double quantile);
}