private ScreenOverlayType createBoxPlotNormalizedErrorGraph() {
CountsGraph ep;
try {
ep = new BoxPlotNormalizedErrorGraph(this.countComparisonFilter.getCountsForHour(null), this.iterationNumber, null, "error graph");
ep.createChart(0);
} catch (IllegalArgumentException e) {
log.error("Could not create BoxPlot-NormalizedErrorGraph.", e);
return null;
}
String filename = "errorGraphNormalizedBoxPlot.png";
try {
writeChartToKmz(filename, ep.getChart());
return createOverlayBottomRight(filename, "Normalized Error Graph [Box-Plot]");
} catch (IOException e) {
e.printStackTrace();
}
return null;
}