Example usage for org.apache.commons.math3.stat.ranking TiesStrategy AVERAGE

Introduction

In this page you can find the example usage for org.apache.commons.math3.stat.ranking TiesStrategy AVERAGE.

Prototype

TiesStrategy AVERAGE

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Document

Ties get the average of applicable ranks

Usage

From source file:gedi.util.math.stat.testing.WilcoxonUnpaired.java

/**
 * Create a test instance where NaN's are left in place and ties get
 * the average of applicable ranks. Use this unless you are very sure
 * of what you are doing./*from w w w  .jav a  2  s .  c  o  m*/
 */
public WilcoxonUnpaired() {
    naturalRanking = new NaturalRanking(NaNStrategy.FIXED, TiesStrategy.AVERAGE);
}

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From source file:MannWhitneyUTest.java

/**
 * Create a test instance using where NaN's are left in place and ties get
 * the average of applicable ranks. Use this unless you are very sure of
 * what you are doing./* ww w. j  a v a 2  s.  com*/
 */
public MannWhitneyUTest() {
    System.out.println("1");
    naturalRanking = new NaturalRanking(NaNStrategy.FIXED, TiesStrategy.AVERAGE);
}

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From source file:com.itemanalysis.jmetrik.stats.ranking.RankingAnalysis.java

/**
 * Adds columns to database for storing ranks, ntiles, and normal scores.
 * A prefix is added to the variable name to indicate the type of variable.
 *
 * These prefixes are used to update the proper variables in the database (see compute()).
 *
 * @throws SQLException/*from  w w  w .ja  v  a2s .  c o  m*/
 * @throws IllegalArgumentException
 */
//    public void addColumnsToDb()throws SQLException, IllegalArgumentException{
//
//        int numberOfColumns = dao.getColumnCount(conn, tableName);
//        int columnNumber = numberOfColumns+1;
//
//        String newVariableLabel = "Rank";
//        if(blom) newVariableLabel = "Blom Normal Score";
//        if(tukey) newVariableLabel = "Tukey Normal Score";
//        if(vdw) newVariableLabel = "van der Waerden Normal Score";
//        if(ntiles) newVariableLabel = "Quantiles: " + numGroups + " groups";
//
//        newVariable = new VariableInfo(newVariableName, newVariableLabel, VariableType.NOT_ITEM, VariableType.DOUBLE, columnNumber++, "");
//        dao.addColumnToDb(conn, tableName, newVariable);
//
//    }

protected String doInBackground() {
    sw = new StopWatch();
    this.firePropertyChange("status", "", "Running Ranking...");
    this.firePropertyChange("progress-on", null, null);
    String results = "";
    try {

        //get variable info from db
        tableName = new DataTableName(command.getPairedOptionList("data").getStringAt("table"));
        VariableTableName variableTableName = new VariableTableName(tableName.toString());
        String selectVariable = command.getFreeOption("variable").getString();
        variable = dao.getVariableAttributes(conn, variableTableName, selectVariable);

        newVariableName = command.getFreeOption("name").getString();

        initializeProgress();

        String ties = command.getSelectOneOption("ties").getSelectedArgument();
        if (ties.equals("sequential")) {
            tiesStrategy = TiesStrategy.SEQUENTIAL;
        } else if (ties.equals("min")) {
            tiesStrategy = TiesStrategy.MINIMUM;
        } else if (ties.equals("max")) {
            tiesStrategy = TiesStrategy.MAXIMUM;
        } else if (ties.equals("average")) {
            tiesStrategy = TiesStrategy.AVERAGE;
        } else if (ties.equals("random")) {
            tiesStrategy = TiesStrategy.RANDOM;
        }

        String type = command.getSelectOneOption("type").getSelectedArgument();
        if ("blom".equals(type)) {
            blom = true;
        } else if ("tukey".equals(type)) {
            tukey = true;
        } else if ("vdw".equals(type)) {
            vdw = true;
        } else if ("ntiles".equals(type)) {
            ntiles = true;
            if (command.getFreeOption("ntiles").hasValue()) {
                numGroups = command.getFreeOption("ntiles").getInteger();
            } else {
                rank = true;
            }
        } else {
            rank = true;
        }

        if (blom || tukey || vdw)
            normScore = new NormalScores();
        ascending = command.getSelectOneOption("order").isValueSelected("asc");

        //            addColumnsToDb();
        results = compute();

        firePropertyChange("status", "", "Done: " + sw.getElapsedTime());
        firePropertyChange("progress-off", null, null); //make statusbar progress not visible

    } catch (Throwable t) {
        logger.fatal(t.getMessage(), t);
        theException = t;
    }
    return results;
}

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From source file:org.caleydo.view.enroute.correlation.wilcoxon.WilcoxonManualResultPage.java

@Override
public void pageChanged(PageChangedEvent event) {
    if (event.getSelectedPage() == this) {
        WilcoxonRankSumTestWizard wizard = (WilcoxonRankSumTestWizard) getWizard();
        DataCellInfo targetInfo = wizard.getTargetInfo();

        // java.util.List<WilcoxonResult> resultList = WilcoxonUtil.applyWilcoxonToAllElements(
        // wizard.getSourceClassifier(), wizard.getSourceInfo(), targetInfo.columnPerspective);
        ///*from ww w. j a  va2 s  . c  om*/
        // for (WilcoxonResult r : resultList) {
        // System.out.println(r.p);
        // }
        // System.out.println("NumElements: " + resultList.size());

        // WilcoxonUtil.calcWilcoxonRankSumTest(sourceInfo, classifier, targetInfo)

        SimpleIDClassifier derivedClassifier = wizard.getDerivedIDClassifier();
        MannWhitneyUTest test = new MannWhitneyUTest(NaNStrategy.REMOVED, TiesStrategy.AVERAGE);
        double[] values1 = WilcoxonUtil.getSampleValuesArray(targetInfo, derivedClassifier.getClass1IDs());
        double[] values2 = WilcoxonUtil.getSampleValuesArray(targetInfo, derivedClassifier.getClass2IDs());

        double u = test.mannWhitneyU(values1, values2);
        double p = test.mannWhitneyUTest(values1, values2);

        resultsWidget.update(wizard.getSourceInfo(), targetInfo,
                new WilcoxonResult(p, u, wizard.getSourceClassifier(), derivedClassifier));

        // resultsWidget.updateClassSummary(0, values1, derivedClassifier.getDataClasses().get(0));
        // resultsWidget.updateClassSummary(1, values2, derivedClassifier.getDataClasses().get(1));
        //
        // resultsWidget.updateStatistics(u, p);
    }

}

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From source file:org.gitools.analysis.stats.test.MannWhitneyWilcoxonTest.java

public MannWhitneyWilcoxonTest() {
    super("mannWhitneyWilcoxon", GroupComparisonResult.class);
    naturalRanking = new NaturalRanking(NaNStrategy.FIXED, TiesStrategy.AVERAGE);
}

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From source file:umcg.genetica.math.stats.MannWhitneyUTest2.java

public MannWhitneyUTest2() {
    naturalRanking = new NaturalRanking(NaNStrategy.FIXED, TiesStrategy.AVERAGE);
}

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