///////////////////////////////////////////////////////////////////////////////
// For information as to what this class does, see the Javadoc, below.       //
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// Scheines, Joseph Ramsey, and Clark Glymour.                               //
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package edu.cmu.tetrad.test;

import edu.cmu.tetrad.util.StatUtils;
import org.junit.Test;

import java.util.ArrayList;
import java.util.List;

import static org.junit.Assert.assertEquals;


/**
 * Implements some tests of the FDR (False Discovery Rate) test.
 *
 * @author josephramsey
 */
public class TestFdr {

    @Test
    public void testSimpleCase() {
        double[] p = {
                .8, .01, .2, .07, .003, .9, .05, .03, .0001
        };

        List<Double> pValues = new ArrayList<>();
        for (double _p : p) pValues.add(_p);

        final double alpha = 0.05;
        boolean negativelyCorrelated = false;

        double cutoff = StatUtils.fdrCutoff(alpha, pValues, negativelyCorrelated);

        assertEquals(.01, cutoff, .0001);

        negativelyCorrelated = true;
        cutoff = StatUtils.fdrCutoff(alpha, pValues, negativelyCorrelated);
        assertEquals(0.003, cutoff, .0001);

    }
}


