dataset,
PlotOrientation.VERTICAL,
true,
false,
false);
chart.removeLegend();
ChartUtils.decorateChart(chart);
ChartUtils.scaleChart(chart, dSeries, true);
String imageFile = ChartUtils.renderChart(chart, "eigenvector-centralities.png");
String report = "<HTML> <BODY> <h1>Eigenvector Centrality Report</h1> "