IFeatureScorer.java

/*
 * Carrot2 project.
 *
 * Copyright (C) 2002-2016, Dawid Weiss, Stanisław Osiński.
 * All rights reserved.
 *
 * Refer to the full license file "carrot2.LICENSE"
 * in the root folder of the repository checkout or at:
 * http://www.carrot2.org/carrot2.LICENSE
 */

package org.carrot2.clustering.lingo;

import org.carrot2.text.preprocessing.PreprocessingContext;

/**
 * Generates additional scores for features. Lingo will apply these scores before
 * final label selection.
 */
public interface IFeatureScorer
{
    /**
     * Returns scores for features from {@link PreprocessingContext#allLabels}. A neutral
     * score is 1.0. Anything below 1.0 will lower label score, anything above 1.0 will
     * raise it.
     */
    public double [] getFeatureScores(LingoProcessingContext lingoContext);
}