Example usage for org.jfree.data.statistics HistogramDataset addSeries

Introduction

In this page you can find the example usage for org.jfree.data.statistics HistogramDataset addSeries.

Prototype

public void addSeries(Comparable key, double[] values, int bins) 

Source Link

Document

Adds a series to the dataset, using the specified number of bins, and sends a DatasetChangeEvent to all registered listeners.

Usage

From source file:pertchart.Histogram.java

public JFreeChart createHistorgram(double[] data) {

    HistogramDataset dataset = new HistogramDataset();
    dataset.setType(HistogramType.RELATIVE_FREQUENCY);
    dataset.addSeries("Histogram", data, this.bins);
    String plotTitle = "Project Completion Times";
    String xaxis = "Completion Times";
    String yaxis = "";
    PlotOrientation orientation = PlotOrientation.VERTICAL;
    boolean show = false;
    boolean toolTips = false;
    boolean urls = false;
    JFreeChart chart = ChartFactory.createHistogram(plotTitle, xaxis, yaxis, dataset, orientation, show,
            toolTips, urls);/*from   w  ww. j  av  a  2 s .c  om*/
    int width = 500;
    int height = 300;
    try {
        ChartUtilities.saveChartAsPNG(new File("histogram.png"), chart, width, height);
    } catch (Exception e) {
        System.out.println(e);
    }
    return chart;
}

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From source file:info.opencards.ui.ltmstats.AdvancedLtmStatsPanel.java

public void rebuildPanel(Collection<CardFile> currentFiles) {
    removeAll();// w w w .j  a  v a 2  s  .c  om

    // setup the stacked bar chart
    dataset = new HistogramDataset();
    //        dataset.addSeries("test", new double[]{1,2,3},1);
    final JFreeChart chart = ChartFactory.createHistogram(null, // chart title
            Utils.getRB().getString("CardTableModel.stats.weekSchedule"), // domain axis label
            //                "# cards",                     // range axis label
            null, // range axis label
            dataset, // data
            PlotOrientation.VERTICAL, // the plot orientation
            false, // legend
            true, // tooltips
            false // urls
    );

    add(new ChartPanel(chart), BorderLayout.CENTER);
    //        rebuildPanel(new HashSet<CardFile>());

    if (currentFiles != null)
        this.currentFiles = currentFiles;

    //        dataset.setGroup(null);

    if (this.currentFiles == null)
        return;

    List<Double> eValues = new ArrayList<Double>();

    for (CardFile currentFile : currentFiles) {
        for (Item item : currentFile.getFlashCards().getLTMItems()) {
            LTMItem ltmItem = (LTMItem) item;
            eValues.add(ltmItem.getEFactor());
        }
    }
    double[] eVals = new double[eValues.size()];
    for (int i = 0; i < eValues.size(); i++) {
        eVals[i] = eValues.get(i);

    }

    if (eVals.length > 0)
        dataset.addSeries("test", eVals, 10);

    HistogramDataset dataset1 = new HistogramDataset();
    dataset1.addSeries("test", eVals, 10);

    repaint();

    //        computeScheduleHist(this.currentFiles);
    //        set2EDistribution(currentFiles);
}

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From source file:org.jfree.chart.demo.HistogramDemo.java

/**
 * Creates a sample {@link HistogramDataset}.
 * //from w w  w.j a va 2s  . com
 * @return The dataset.
 */
private IntervalXYDataset createDataset() {
    final HistogramDataset dataset = new HistogramDataset();
    dataset.setType(HistogramType.RELATIVE_FREQUENCY);
    dataset.addSeries("H1", gaussianData(1000, 3.0), 20);
    dataset.addSeries("H0", gaussianData(1000, 0), 20);
    return dataset;
}

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From source file:Core.CircuitEvolution.QPace4.HistogramDemo.java

/**
 * Creates a sample {@link HistogramDataset}.
 * /*from   w w  w . j  av  a2  s  . c  o  m*/
 * @return The dataset.
 */
private IntervalXYDataset createDataset() {
    HistogramDataset dataset = new HistogramDataset();
    dataset.setType(HistogramType.RELATIVE_FREQUENCY);
    dataset.addSeries("H1", gaussianData(1000, 3.0), 20);
    dataset.addSeries("H0", gaussianData(1000, 0), 20);
    return dataset;
}

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From source file:org.codehaus.mojo.chronos.chart.HistogramChartGenerator.java

protected final JFreeChart createHistogramChart(ResponsetimeSamples samples, String label,
        ResourceBundle bundle, ReportConfig config) {
    HistogramDataset histogramdataset = new HistogramDataset();

    double[] sampleArray = samples.extractResponsetimes(config.getResponsetimedivider());
    histogramdataset.addSeries(label, sampleArray, BINS);
    HistogramDataset dataset = histogramdataset;
    JFreeChart chart = ChartFactory.createHistogram(bundle.getString("chronos.label.histogram"),
            bundle.getString("chronos.label.histogram.x"), bundle.getString("chronos.label.histogram.y"),
            dataset, PlotOrientation.VERTICAL, true, false, false);
    XYPlot xyplot = (XYPlot) chart.getPlot();
    xyplot.setForegroundAlpha(FOREGROUND_ALPHA);
    XYBarRenderer xybarrenderer = (XYBarRenderer) xyplot.getRenderer();
    xybarrenderer.setDrawBarOutline(false);

    if (config.isShowpercentile()) {
        String label1 = bundle.getString("chronos.label.percentile95.arrow");
        double value = samples.getPercentile95(config.getResponsetimedivider());
        ChartUtil.addDomainMarker(xyplot, label1, value);
    }/*from w  ww.j av a2s. c  o m*/
    if (config.isShowaverage()) {
        String label2 = bundle.getString("chronos.label.average.arrow");
        double value = samples.getAverage(config.getResponsetimedivider());
        ChartUtil.addDomainMarker(xyplot, label2, value);
    }
    return chart;
}

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From source file:Demo.HistGraph.java

private JFreeChart CreateChart(String para) {
    // read .dat file
    double[] value = Utils.GetParaTab(para);

    // generate chart
    HistogramDataset dataset = new HistogramDataset();
    dataset.setType(HistogramType.FREQUENCY);
    dataset.addSeries(para, value, 20);

    String plotTitle = para;//from   ww  w.  j  a v a2s.c o m
    String xaxis = "value";
    String yaxis = "frequecy";
    PlotOrientation orientation = PlotOrientation.VERTICAL;

    boolean show = false;
    boolean toolTips = false;
    boolean urls = false;

    JFreeChart chart = ChartFactory.createHistogram(plotTitle, xaxis, yaxis, dataset, orientation, show,
            toolTips, urls);

    final XYPlot xyPlot = chart.getXYPlot();
    final XYBarRenderer renderer = (XYBarRenderer) xyPlot.getRenderer();
    renderer.setSeriesPaint(0, Color.BLUE);

    return chart;
}

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From source file:org.jfree.data.statistics.HistogramDatasetTest.java

/**
 * A test for a bug reported in the forum where the series name isn't being
 * returned correctly./*from   ww w.j a  v a  2  s .  com*/
 */
@Test
public void testGetSeriesKey() {
    double[] values = { 1.0, 2.0, 3.0, 4.0, 6.0, 12.0, 5.0, 6.3, 4.5 };
    HistogramDataset d1 = new HistogramDataset();
    d1.addSeries("Series 1", values, 5);
    assertEquals("Series 1", d1.getSeriesKey(0));
}

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From source file:org.jfree.data.statistics.HistogramDatasetTest.java

/**
 * Some checks that the correct values are assigned to bins.
 *//*from   w ww.  j  av a2  s .  com*/
@Test
public void testBins() {
    double[] values = { 1.0, 2.0, 3.0, 4.0, 6.0, 12.0, 5.0, 6.3, 4.5 };
    HistogramDataset hd = new HistogramDataset();
    hd.addSeries("Series 1", values, 5);
    assertEquals(hd.getYValue(0, 0), 3.0, EPSILON);
    assertEquals(hd.getYValue(0, 1), 3.0, EPSILON);
    assertEquals(hd.getYValue(0, 2), 2.0, EPSILON);
    assertEquals(hd.getYValue(0, 3), 0.0, EPSILON);
    assertEquals(hd.getYValue(0, 4), 1.0, EPSILON);
}

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From source file:org.jfree.data.statistics.HistogramDatasetTest.java

/**
 * Serialize an instance, restore it, and check for equality.
 *//*w  w w. j  ava 2s.com*/
@Test
public void testSerialization() {
    double[] values = { 1.0, 2.0, 3.0, 4.0, 6.0, 12.0, 5.0, 6.3, 4.5 };
    HistogramDataset d1 = new HistogramDataset();
    d1.addSeries("Series 1", values, 5);
    HistogramDataset d2 = (HistogramDataset) TestUtilities.serialised(d1);
    assertEquals(d1, d2);

    // simple check for independence
    d1.addSeries("Series 2", new double[] { 1.0, 2.0, 3.0 }, 2);
    assertFalse(d1.equals(d2));
    d2.addSeries("Series 2", new double[] { 1.0, 2.0, 3.0 }, 2);
    assertTrue(d1.equals(d2));
}

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From source file:org.jfree.data.statistics.HistogramDatasetTest.java

/**
 * Confirm that the equals method can distinguish all the required fields.
 *///w  ww  .j  a  v a2s  .  c o  m
@Test
public void testEquals() {
    double[] values = { 1.0, 2.0, 3.0, 4.0, 6.0, 12.0, 5.0, 6.3, 4.5 };
    HistogramDataset d1 = new HistogramDataset();
    d1.addSeries("Series 1", values, 5);
    HistogramDataset d2 = new HistogramDataset();
    d2.addSeries("Series 1", values, 5);

    assertTrue(d1.equals(d2));
    assertTrue(d2.equals(d1));

    d1.addSeries("Series 2", new double[] { 1.0, 2.0, 3.0 }, 2);
    assertFalse(d1.equals(d2));
    d2.addSeries("Series 2", new double[] { 1.0, 2.0, 3.0 }, 2);
    assertTrue(d1.equals(d2));
}

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