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package de.lmu.ifi.dbs.elki.utilities.scaling.outlier;
/*
This file is part of ELKI:
Environment for Developing KDD-Applications Supported by Index-Structures
Copyright (C) 2014
Ludwig-Maximilians-Universität München
Lehr- und Forschungseinheit für Datenbanksysteme
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 <http://www.gnu.org/licenses/>.
*/
import de.lmu.ifi.dbs.elki.result.outlier.OutlierResult;
import de.lmu.ifi.dbs.elki.utilities.datastructures.arraylike.NumberArrayAdapter;
import de.lmu.ifi.dbs.elki.utilities.scaling.ScalingFunction;
/**
* Interface for scaling functions used by Outlier evaluation such as Histograms
* and visualization. Make sure to invoke {@link #prepare} prior to applying the
* scaling function.
*
* @author Erich Schubert
*/
public interface OutlierScalingFunction extends ScalingFunction {
/**
* Prepare is called once for each data set, before getScaled() will be
* called. This function can be used to extract global parameters such as
* means, minimums or maximums from the outlier scores.
*
* @param or Outlier result to use
*/
public void prepare(OutlierResult or);
/**
* Prepare is called once for each data set, before getScaled() will be
* called. This function can be used to extract global parameters such as
* means, minimums or maximums from the score array.
*
* The method using a full {@link OutlierResult} is preferred, as it will
* allow access to the metadata.
*
* @param array Data to process
* @param adapter Array adapter
*/
public <A> void prepare(A array, NumberArrayAdapter<?, A> adapter);
}
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