@Override
protected void decorate(
NumberAnalyzerResult result, DCTable table, final DisplayChartCallback displayChartCallback) {
// find the std. deviation row number.
int rowNumber = -1;
{
for (int i = 0; i < table.getRowCount(); i++) {
Object value = table.getValueAt(i, 0);
if (NumberAnalyzer.MEASURE_STANDARD_DEVIATION.equals(value)) {
rowNumber = i;
break;
}
}
if (rowNumber == -1) {
throw new IllegalStateException("Could not determine Std. deviation row number!");
}
}
Crosstab<?> crosstab = result.getCrosstab();
final InputColumn<? extends Number>[] columns = result.getColumns();
int columnNumber = 1;
for (final InputColumn<? extends Number> column : columns) {
final CrosstabNavigator<?> nav =
crosstab.where(NumberAnalyzer.DIMENSION_COLUMN, column.getName());
final Number numRows =
(Number)
nav.where(NumberAnalyzer.DIMENSION_MEASURE, NumberAnalyzer.MEASURE_ROW_COUNT).get();
if (numRows.intValue() > 0) {
final Number standardDeviation =
(Number)
nav.where(
NumberAnalyzer.DIMENSION_MEASURE, NumberAnalyzer.MEASURE_STANDARD_DEVIATION)
.get();
if (standardDeviation != null) {
ActionListener action =
new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
final Number mean =
(Number)
nav.where(NumberAnalyzer.DIMENSION_MEASURE, NumberAnalyzer.MEASURE_MEAN)
.get();
final Number min =
(Number)
nav.where(
NumberAnalyzer.DIMENSION_MEASURE,
NumberAnalyzer.MEASURE_LOWEST_VALUE)
.get();
final Number max =
(Number)
nav.where(
NumberAnalyzer.DIMENSION_MEASURE,
NumberAnalyzer.MEASURE_HIGHEST_VALUE)
.get();
final NormalDistributionFunction2D normalDistributionFunction =
new NormalDistributionFunction2D(
mean.doubleValue(), standardDeviation.doubleValue());
final XYDataset dataset =
DatasetUtilities.sampleFunction2D(
normalDistributionFunction,
min.doubleValue(),
max.doubleValue(),
100,
"Normal");
final JFreeChart chart =
ChartFactory.createXYLineChart(
"Normal distribution of " + column.getName(),
column.getName(),
"",
dataset,
PlotOrientation.VERTICAL,
false,
true,
false);
ChartUtils.applyStyles(chart);
Marker meanMarker =
new ValueMarker(
mean.doubleValue(), WidgetUtils.BG_COLOR_BLUE_DARK, new BasicStroke(2f));
meanMarker.setLabel("Mean");
meanMarker.setLabelOffset(new RectangleInsets(70d, 25d, 0d, 0d));
meanMarker.setLabelFont(WidgetUtils.FONT_SMALL);
chart.getXYPlot().addDomainMarker(meanMarker);
final ChartPanel chartPanel = new ChartPanel(chart);
displayChartCallback.displayChart(chartPanel);
}
};
DCPanel panel =
AbstractCrosstabResultSwingRenderer.createActionableValuePanel(
standardDeviation, Alignment.RIGHT, action, "images/chart-types/line.png");
table.setValueAt(panel, rowNumber, columnNumber);
}
}
columnNumber++;
}
super.decorate(result, table, displayChartCallback);
}
protected Column getDefaultMappedColumn(InputColumn<?> inputColumn, Table table) {
// automatically select a column by name, if it exists
return table.getColumnByName(inputColumn.getName());
}