edu.cmu.tetrad.algcomparison.statistic.DensityEst Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of tetrad-lib Show documentation

The newest version!

package edu.cmu.tetrad.algcomparison.statistic;

import edu.cmu.tetrad.data.DataModel;
import edu.cmu.tetrad.graph.Graph;

import java.io.Serial;

/**
 * The adjacency precision. The true positives are the number of adjacencies in both the true and estimated graphs.
 *
 * @author josephramsey
 * @version $Id: $Id
 */
public class DensityEst implements Statistic {
    @Serial
    private static final long serialVersionUID = 23L;

    /**
     * Initializes a new instance of the DensityEst class.
     */
    public DensityEst() {
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public String getAbbreviation() {
        return "DensEst";
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public String getDescription() {
        return "Density of Estimated Graph";
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public double getValue(Graph trueGraph, Graph estGraph, DataModel dataModel) {
        return new AverageDegreeEst().getValue(trueGraph, estGraph, dataModel)
               / (double) (estGraph.getNumNodes() - 1);
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public double getNormValue(double value) {
        return value;
    }
}