Examples with XYSeriesCollection - org.jfree.data.xy.XYSeriesCollection

Example 11 with XYSeriesCollection

use of org.jfree.data.xy.XYSeriesCollection in project gephi by gephi.

the class ChartsUtils method regress.

/********Private methods*********/
/**
     * Calculates linear regression points from a XYSeriesCollection data set
     * Code obtained from http://pwnt.be/2009/08/17/simple-linear-regression-with-jfreechart
     */
private static XYDataset regress(XYSeriesCollection data) {
    // Determine bounds
    double xMin = Double.MAX_VALUE, xMax = 0;
    for (int i = 0; i < data.getSeriesCount(); i++) {
        XYSeries ser = data.getSeries(i);
        for (int j = 0; j < ser.getItemCount(); j++) {
            double x = ser.getX(j).doubleValue();
            if (x < xMin) {
                xMin = x;
            }
            if (x > xMax) {
                xMax = x;
            }
        }
    }
    // Create 2-point series for each of the original series
    XYSeriesCollection coll = new XYSeriesCollection();
    for (int i = 0; i < data.getSeriesCount(); i++) {
        XYSeries ser = data.getSeries(i);
        int n = ser.getItemCount();
        double sx = 0, sy = 0, sxx = 0, sxy = 0, syy = 0;
        for (int j = 0; j < n; j++) {
            double x = ser.getX(j).doubleValue();
            double y = ser.getY(j).doubleValue();
            sx += x;
            sy += y;
            sxx += x * x;
            sxy += x * y;
            syy += y * y;
        }
        double b = (n * sxy - sx * sy) / (n * sxx - sx * sx);
        double a = sy / n - b * sx / n;
        XYSeries regr = new XYSeries(ser.getKey());
        regr.add(xMin, a + b * xMin);
        regr.add(xMax, a + b * xMax);
        coll.addSeries(regr);
    }
    return coll;
}

Also used : XYSeries(org.jfree.data.xy.XYSeries) XYSeriesCollection(org.jfree.data.xy.XYSeriesCollection)

Example 12 with XYSeriesCollection

use of org.jfree.data.xy.XYSeriesCollection in project gephi by gephi.

the class Degree method getReport.

/**
     *
     * @return
     */
@Override
public String getReport() {
    String report = "";
    if (isDirected) {
        report = getDirectedReport();
    } else {
        //Distribution series
        XYSeries dSeries = ChartUtils.createXYSeries(degreeDist, "Degree Distribution");
        XYSeriesCollection dataset1 = new XYSeriesCollection();
        dataset1.addSeries(dSeries);
        JFreeChart chart1 = ChartFactory.createXYLineChart("Degree Distribution", "Value", "Count", dataset1, PlotOrientation.VERTICAL, true, false, false);
        chart1.removeLegend();
        ChartUtils.decorateChart(chart1);
        ChartUtils.scaleChart(chart1, dSeries, false);
        String degreeImageFile = ChartUtils.renderChart(chart1, "degree-distribution.png");
        NumberFormat f = new DecimalFormat("#0.000");
        report = "<HTML> <BODY> <h1>Degree Report </h1> " + "<hr>" + "<br> <h2> Results: </h2>" + "Average Degree: " + f.format(avgDegree) + "<br /><br />" + degreeImageFile + "</BODY></HTML>";
    }
    return report;
}

Also used : XYSeries(org.jfree.data.xy.XYSeries) DecimalFormat(java.text.DecimalFormat) XYSeriesCollection(org.jfree.data.xy.XYSeriesCollection) JFreeChart(org.jfree.chart.JFreeChart) NumberFormat(java.text.NumberFormat)

Example 13 with XYSeriesCollection

use of org.jfree.data.xy.XYSeriesCollection in project gephi by gephi.

the class Degree method getDirectedReport.

public String getDirectedReport() {
    //Distribution series
    XYSeries dSeries = ChartUtils.createXYSeries(degreeDist, "Degree Distribution");
    XYSeries idSeries = ChartUtils.createXYSeries(inDegreeDist, "In-Degree Distribution");
    XYSeries odSeries = ChartUtils.createXYSeries(outDegreeDist, "Out-Degree Distribution");
    XYSeriesCollection dataset1 = new XYSeriesCollection();
    dataset1.addSeries(dSeries);
    XYSeriesCollection dataset2 = new XYSeriesCollection();
    dataset2.addSeries(idSeries);
    XYSeriesCollection dataset3 = new XYSeriesCollection();
    dataset3.addSeries(odSeries);
    JFreeChart chart1 = ChartFactory.createXYLineChart("Degree Distribution", "Value", "Count", dataset1, PlotOrientation.VERTICAL, true, false, false);
    chart1.removeLegend();
    ChartUtils.decorateChart(chart1);
    ChartUtils.scaleChart(chart1, dSeries, false);
    String degreeImageFile = ChartUtils.renderChart(chart1, "degree-distribution.png");
    JFreeChart chart2 = ChartFactory.createXYLineChart("In-Degree Distribution", "Value", "Count", dataset2, PlotOrientation.VERTICAL, true, false, false);
    chart2.removeLegend();
    ChartUtils.decorateChart(chart2);
    ChartUtils.scaleChart(chart2, dSeries, false);
    String indegreeImageFile = ChartUtils.renderChart(chart2, "indegree-distribution.png");
    JFreeChart chart3 = ChartFactory.createXYLineChart("Out-Degree Distribution", "Value", "Count", dataset3, PlotOrientation.VERTICAL, true, false, false);
    chart3.removeLegend();
    ChartUtils.decorateChart(chart3);
    ChartUtils.scaleChart(chart3, dSeries, false);
    String outdegreeImageFile = ChartUtils.renderChart(chart3, "outdegree-distribution.png");
    NumberFormat f = new DecimalFormat("#0.000");
    String report = "<HTML> <BODY> <h1>Degree Report </h1> " + "<hr>" + "<br> <h2> Results: </h2>" + "Average Degree: " + f.format(avgDegree) + "<br /><br />" + degreeImageFile + "<br /><br />" + indegreeImageFile + "<br /><br />" + outdegreeImageFile + "</BODY></HTML>";
    return report;
}

Example 14 with XYSeriesCollection

use of org.jfree.data.xy.XYSeriesCollection in project gephi by gephi.

the class DynamicDegree method getReport.

@Override
public String getReport() {
    //Time series
    XYSeries dSeries = ChartUtils.createXYSeries(averages, "Degree Time Series");
    XYSeriesCollection dataset = new XYSeriesCollection();
    dataset.addSeries(dSeries);
    JFreeChart chart = ChartFactory.createXYLineChart("Degree Time Series", "Time", "Average Degree", dataset, PlotOrientation.VERTICAL, true, false, false);
    chart.removeLegend();
    ChartUtils.decorateChart(chart);
    ChartUtils.scaleChart(chart, dSeries, false);
    String degreeImageFile = ChartUtils.renderChart(chart, "degree-ts.png");
    NumberFormat f = new DecimalFormat("#0.000000");
    String report = "<HTML> <BODY> <h1>Dynamic Degree Report </h1> " + "<hr>" + "<br> Bounds: from " + f.format(bounds.getLow()) + " to " + f.format(bounds.getHigh()) + "<br> Window: " + window + "<br> Tick: " + tick + "<br><br><h2> Average degrees over time: </h2>" + "<br /><br />" + degreeImageFile;
    /*for (Interval<Double> averages : averages) {
         report += averages.toString(dynamicModel.getTimeFormat().equals(DynamicModel.TimeFormat.DOUBLE)) + "<br />";
         }*/
    report += "<br /><br /></BODY></HTML>";
    return report;
}

Example 15 with XYSeriesCollection

use of org.jfree.data.xy.XYSeriesCollection in project gephi by gephi.

the class DynamicNbNodes method getReport.

@Override
public String getReport() {
    //Time series
    XYSeries dSeries = ChartUtils.createXYSeries(counts, "Nb Nodes Time Series");
    XYSeriesCollection dataset = new XYSeriesCollection();
    dataset.addSeries(dSeries);
    JFreeChart chart = ChartFactory.createXYLineChart("# Nodes Time Series", "Time", "# Nodes", dataset, PlotOrientation.VERTICAL, true, false, false);
    chart.removeLegend();
    ChartUtils.decorateChart(chart);
    ChartUtils.scaleChart(chart, dSeries, false);
    String imageFile = ChartUtils.renderChart(chart, "nb-nodes-ts.png");
    NumberFormat f = new DecimalFormat("#0.000");
    String report = "<HTML> <BODY> <h1>Dynamic Number of Nodes Report </h1> " + "<hr>" + "<br> Bounds: from " + f.format(bounds.getLow()) + " to " + f.format(bounds.getHigh()) + "<br> Window: " + window + "<br> Tick: " + tick + "<br><br><h2> Number of nodes over time: </h2>" + "<br /><br />" + imageFile;
    /*for (Interval<Integer> count : counts) {
         report += count.toString(dynamicModel.getTimeFormat().equals(DynamicModel.TimeFormat.DOUBLE)) + "<br />";
         }*/
    report += "<br /><br /></BODY></HTML>";
    return report;
}

Aggregations

XYSeriesCollection (org.jfree.data.xy.XYSeriesCollection)23 XYSeries (org.jfree.data.xy.XYSeries)22 JFreeChart (org.jfree.chart.JFreeChart)17 DecimalFormat (java.text.DecimalFormat)11 NumberFormat (java.text.NumberFormat)11 HashMap (java.util.HashMap)6 XYPlot (org.jfree.chart.plot.XYPlot)2 ArrayList (java.util.ArrayList)1 List (java.util.List)1 Map (java.util.Map)1 Node (org.gephi.graph.api.Node)1 StandardXYItemRenderer (org.jfree.chart.renderer.xy.StandardXYItemRenderer)1 XYLineAndShapeRenderer (org.jfree.chart.renderer.xy.XYLineAndShapeRenderer)1 XYSplineRenderer (org.jfree.chart.renderer.xy.XYSplineRenderer)1 XYDataItem (org.jfree.data.xy.XYDataItem)1