Examples of org.jfree.data.statistics.HistogramDataset.addSeries()

Class org.jfree.data.statistics.HistogramDataset

Examples of org.jfree.data.statistics.HistogramDataset.addSeries()

org.jfree.data.statistics.HistogramDataset.addSeries()
Adds a series to the dataset, using the specified number of bins, and sends a {@link DatasetChangeEvent} to all registered listeners. @param key the series key (null not permitted). @param values the values (null not permitted). @param bins the number of bins (must be at least 1).

     */
    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));

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        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));


    }

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     * Confirm that cloning works.
     */
    public void testCloning() {
        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 = null;
        try {
            d2 = (HistogramDataset) d1.clone();
        }
        catch (CloneNotSupportedException e) {

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     * Serialize an instance, restore it, and check for equality.
     */
    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 = null;


        try {
            ByteArrayOutputStream buffer = new ByteArrayOutputStream();
            ObjectOutput out = new ObjectOutputStream(buffer);

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     * returned correctly.
     */
    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));
    }
    
    /**
     * Some checks for the addSeries() method.

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     * Some checks for the addSeries() method.
     */
    public void testAddSeries() {
        double[] values = {-1.0, 0.0, 0.1, 0.9, 1.0, 1.1, 1.9, 2.0, 3.0};
        HistogramDataset d = new HistogramDataset();
        d.addSeries("S1", values, 2, 0.0, 2.0);
        assertEquals(0.0, d.getStartXValue(0, 0), EPSILON);
        assertEquals(1.0, d.getEndXValue(0, 0), EPSILON);
        assertEquals(4.0, d.getYValue(0, 0), EPSILON);
        
        assertEquals(1.0, d.getStartXValue(0, 1), EPSILON);

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        double[] values = { -5.000000000000286E-5 };
        int bins = 1260;
        double minimum = -0.06307522528160199;
        double maximum = 0.06297522528160199;
        HistogramDataset d = new HistogramDataset();
        d.addSeries("S1", values, bins, minimum, maximum);
        assertEquals(0.0, d.getYValue(0, 629), EPSILON);
        assertEquals(1.0, d.getYValue(0, 630), EPSILON);
        assertEquals(0.0, d.getYValue(0, 631), EPSILON);
        assertTrue(values[0] > d.getStartXValue(0, 630));
        assertTrue(values[0] < d.getEndXValue(0, 630));

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     * when a data value is *very* close to the upper limit of the last bin.
     */
    public void test1553088() {
        double[] values = {-1.0, 0.0, -Double.MIN_VALUE, 3.0};
        HistogramDataset d = new HistogramDataset();
        d.addSeries("S1", values, 2, -1.0, 0.0);
        assertEquals(-1.0, d.getStartXValue(0, 0), EPSILON);
        assertEquals(-0.5, d.getEndXValue(0, 0), EPSILON);
        assertEquals(1.0, d.getYValue(0, 0), EPSILON);
        
        assertEquals(-0.5, d.getStartXValue(0, 1), EPSILON);

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        double[] doubleNumbers = new double[numbers.length];
        for (int i = 0; i < doubleNumbers.length; i++) {
            doubleNumbers[i] = numbers[i].doubleValue();
        }


        dataset.addSeries(dataName, doubleNumbers, divisions > 0 ? divisions : 10);//Use 10 divisions if divisions number is invalid.


        JFreeChart histogram = ChartFactory.createHistogram(
                getMessage("ChartsUtils.report.histogram.title"),
                dataName,
                getMessage("ChartsUtils.report.histogram.yLabel"),

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     * Some checks that the correct values are assigned to bins.
     */
    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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