List of usage examples for org.jfree.data DataUtilities getCumulativePercentages
public static KeyedValues getCumulativePercentages(KeyedValues data)
From source file:org.jfree.chart.demo.ParetoChartDemo1.java
public static CategoryDataset[] createDatasets() { DefaultKeyedValues defaultkeyedvalues = new DefaultKeyedValues(); defaultkeyedvalues.addValue("C", new Integer(4843)); defaultkeyedvalues.addValue("C++", new Integer(2098)); defaultkeyedvalues.addValue("C#", new Integer(26)); defaultkeyedvalues.addValue("Java", new Integer(1901)); defaultkeyedvalues.addValue("Perl", new Integer(2507)); defaultkeyedvalues.addValue("PHP", new Integer(1689)); defaultkeyedvalues.addValue("Python", new Integer(948)); defaultkeyedvalues.addValue("Ruby", new Integer(100)); defaultkeyedvalues.addValue("SQL", new Integer(263)); defaultkeyedvalues.addValue("Unix Shell", new Integer(485)); defaultkeyedvalues.sortByValues(SortOrder.DESCENDING); org.jfree.data.KeyedValues keyedvalues = DataUtilities.getCumulativePercentages(defaultkeyedvalues); CategoryDataset categorydataset = DatasetUtilities.createCategoryDataset("Languages", defaultkeyedvalues); CategoryDataset categorydataset1 = DatasetUtilities.createCategoryDataset("Cumulative", keyedvalues); return (new CategoryDataset[] { categorydataset, categorydataset1 }); }
From source file:it.eng.spagobi.engines.chart.bo.charttypes.others.CumulativeCurveChart.java
public DatasetMap calculateValue() throws Exception { logger.debug("IN"); String res = DataSetAccessFunctions.getDataSetResultFromId(profile, getData(), parametersObject); SourceBean sbRows = SourceBean.fromXMLString(res); SourceBean sbRow = (SourceBean) sbRows.getAttribute("ROW"); List listAtts = sbRow.getContainedAttributes(); DefaultKeyedValues keyedValues = new DefaultKeyedValues(); for (Iterator iterator = listAtts.iterator(); iterator.hasNext();) { SourceBeanAttribute att = (SourceBeanAttribute) iterator.next(); String name = att.getKey(); String valueS = (String) att.getValue(); //try Double and Integer Conversion Double valueD = null;/* w w w . jav a 2 s. c o m*/ try { valueD = Double.valueOf(valueS); } catch (Exception e) { } Integer valueI = null; if (valueD == null) { valueI = Integer.valueOf(valueS); } if (name != null && valueD != null) { keyedValues.addValue(name, valueD); } else if (name != null && valueI != null) { keyedValues.addValue(name, valueI); } } keyedValues.sortByValues(sortOrder); //let user choose KeyedValues cumulative = DataUtilities.getCumulativePercentages(keyedValues); CategoryDataset dataset = DatasetUtilities.createCategoryDataset("Languages", keyedValues); CategoryDataset dataset2 = DatasetUtilities.createCategoryDataset("Cumulative", cumulative); logger.debug("OUT"); DatasetMap datasets = new DatasetMap(); datasets.addDataset("1", dataset); datasets.addDataset("2", dataset2); return datasets; }
From source file:org.jfree.chart.demo.ParetoChartDemo.java
/** * Creates a new demo instance./* w w w .j a v a 2s. com*/ * * @param title the frame title. */ public ParetoChartDemo(final String title) { super(title); final DefaultKeyedValues data = new DefaultKeyedValues(); data.addValue("C", new Integer(4843)); data.addValue("C++", new Integer(2098)); data.addValue("C#", new Integer(26)); data.addValue("Java", new Integer(1901)); data.addValue("Perl", new Integer(2507)); data.addValue("PHP", new Integer(1689)); data.addValue("Python", new Integer(948)); data.addValue("Ruby", new Integer(100)); data.addValue("SQL", new Integer(263)); data.addValue("Unix Shell", new Integer(485)); data.sortByValues(SortOrder.DESCENDING); final KeyedValues cumulative = DataUtilities.getCumulativePercentages(data); final CategoryDataset dataset = DatasetUtilities.createCategoryDataset("Languages", data); // create the chart... final JFreeChart chart = ChartFactory.createBarChart("Freshmeat Software Projects", // chart title "Language", // domain axis label "Projects", // range axis label dataset, // data PlotOrientation.VERTICAL, true, // include legend true, false); // NOW DO SOME OPTIONAL CUSTOMISATION OF THE CHART... chart.addSubtitle(new TextTitle("By Programming Language")); chart.addSubtitle(new TextTitle("As at 5 March 2003")); // set the background color for the chart... chart.setBackgroundPaint(new Color(0xBBBBDD)); // get a reference to the plot for further customisation... final CategoryPlot plot = chart.getCategoryPlot(); final CategoryAxis domainAxis = plot.getDomainAxis(); domainAxis.setLowerMargin(0.02); domainAxis.setUpperMargin(0.02); // set the range axis to display integers only... final NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis(); rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits()); final LineAndShapeRenderer renderer2 = new LineAndShapeRenderer(); final CategoryDataset dataset2 = DatasetUtilities.createCategoryDataset("Cumulative", cumulative); final NumberAxis axis2 = new NumberAxis("Percent"); axis2.setNumberFormatOverride(NumberFormat.getPercentInstance()); plot.setRangeAxis(1, axis2); plot.setDataset(1, dataset2); plot.setRenderer(1, renderer2); plot.mapDatasetToRangeAxis(1, 1); plot.setDatasetRenderingOrder(DatasetRenderingOrder.REVERSE); // OPTIONAL CUSTOMISATION COMPLETED. // add the chart to a panel... final ChartPanel chartPanel = new ChartPanel(chart); chartPanel.setPreferredSize(new java.awt.Dimension(550, 270)); setContentPane(chartPanel); }
From source file:weka.gui.beans.JFreeChartOffscreenChartRenderer.java
/** * Render histogram(s) (numeric attribute) or bar chart (nominal attribute). * Some implementations may not be able to render more than one histogram/bar * on the same chart - the implementation can either throw an exception or * just process the first series in this case. * /* ww w . ja v a2s. c o m*/ * @param width the width of the resulting chart in pixels * @param height the height of the resulting chart in pixels * @param series a list of Instances - one for each series to be plotted * @param attsToPlot the attribute to plot corresponding to the Instances in * the series list * @param optionalArgs optional arguments to the renderer (may be null) * * @return a BufferedImage containing the chart * @throws Exception if there is a problem rendering the chart */ public BufferedImage renderHistogram(int width, int height, List<Instances> series, String attToPlot, List<String> additionalArgs) throws Exception { String plotTitle = "Bar Chart"; String userTitle = getOption(additionalArgs, "-title"); plotTitle = (userTitle != null) ? userTitle : plotTitle; String colorAtt = getOption(additionalArgs, "-color"); String pareto = getOption(additionalArgs, "-pareto"); boolean doPareto = false; if (pareto != null && pareto.length() == 0 && series.size() == 1) { doPareto = true; } if (series.size() == 1 && colorAtt != null && colorAtt.length() > 0) { int colIndex = getIndexOfAttribute(series.get(0), colorAtt); if (colIndex >= 0 && series.get(0).attribute(colIndex).isNominal() && !doPareto) { // split single series out into multiple instances objects - one // per class series = splitToClasses(series.get(0), colIndex); for (Instances insts : series) { insts.setClassIndex(colIndex); } } } Instances masterInstances = series.get(0); int attIndex = getIndexOfAttribute(masterInstances, attToPlot); if (attIndex < 0) { attIndex = 0; } if (!(series.get(0).attribute(attIndex).isNominal() || series.get(0).attribute(attIndex).isRelationValued())) { doPareto = false; } // Do a pareto chart if (doPareto) { final DefaultKeyedValues data = new DefaultKeyedValues(); AttributeStats attStats = masterInstances.attributeStats(attIndex); double[] attValFreqs = attStats.nominalWeights; for (int i = 0; i < attValFreqs.length; i++) { Number freq = new Double(attValFreqs[i]); data.addValue(masterInstances.attribute(attIndex).value(i), freq); } data.sortByValues(SortOrder.DESCENDING); final KeyedValues cumulative = DataUtilities.getCumulativePercentages(data); final CategoryDataset dataset = DatasetUtilities .createCategoryDataset(masterInstances.attribute(attIndex).name(), data); final JFreeChart chart = ChartFactory.createBarChart(plotTitle, masterInstances.attribute(attIndex).name(), "Fequency/weight mass", dataset, PlotOrientation.VERTICAL, true, false, false); final CategoryPlot plot = chart.getCategoryPlot(); final CategoryAxis domainAxis = plot.getDomainAxis(); domainAxis.setLowerMargin(0.02); domainAxis.setUpperMargin(0.02); LineAndShapeRenderer renderer2 = new LineAndShapeRenderer(); CategoryDataset dataset2 = DatasetUtilities.createCategoryDataset("Cumulative", cumulative); final NumberAxis axis2 = new NumberAxis("Percent"); axis2.setNumberFormatOverride(NumberFormat.getPercentInstance()); // plot. plot.setRangeAxis(1, axis2); plot.setDataset(1, dataset2); plot.setRenderer(1, renderer2); plot.mapDatasetToRangeAxis(1, 1); plot.setDatasetRenderingOrder(DatasetRenderingOrder.FORWARD); chart.setBackgroundPaint(java.awt.Color.white); BufferedImage image = chart.createBufferedImage(width, height); return image; } boolean seriesAreClasses = false; int classIndex = masterInstances.classIndex(); if (classIndex >= 0 && !masterInstances.attribute(classIndex).isNumeric() && !masterInstances.attribute(classIndex).isRelationValued() && masterInstances.attributeStats(classIndex).distinctCount == 1) { // series correspond to class labels (assume that subsequent series only // contain instances of one class)... seriesAreClasses = true; } // bar chart for a nominal attribute if (masterInstances.attribute(attIndex).isNominal() || masterInstances.attribute(attIndex).isString()) { DefaultCategoryDataset dataset = new DefaultCategoryDataset(); // do the master series String masterSeriesTitle = masterInstances.relationName(); if (seriesAreClasses) { for (int i = 0; i < masterInstances.numInstances(); i++) { Instance current = masterInstances.instance(i); if (!current.isMissing(classIndex)) { masterSeriesTitle = current.stringValue(classIndex); break; } } } AttributeStats attStats = masterInstances.attributeStats(attIndex); double[] attValFreqs = attStats.nominalWeights; for (int i = 0; i < attValFreqs.length; i++) { Number freq = new Double(attValFreqs[i]); dataset.addValue(freq, masterSeriesTitle, masterInstances.attribute(attIndex).value(i)); } // any subsequent series for (int i = 1; i < series.size(); i++) { Instances nextSeries = series.get(i); String seriesTitle = nextSeries.relationName(); if (seriesAreClasses) { for (int j = 0; j < nextSeries.numInstances(); j++) { Instance current = nextSeries.instance(j); if (!current.isMissing(classIndex)) { seriesTitle = current.stringValue(classIndex); break; } } attStats = nextSeries.attributeStats(attIndex); attValFreqs = attStats.nominalWeights; for (int j = 0; j < attValFreqs.length; j++) { Number freq = new Double(attValFreqs[j]); dataset.addValue(freq, seriesTitle, nextSeries.attribute(attIndex).value(j)); } } } JFreeChart chart = null; if (series.size() == 1) { chart = ChartFactory.createBarChart(plotTitle, masterInstances.attribute(attIndex).name(), "Fequency/weight mass", dataset, PlotOrientation.VERTICAL, true, false, false); } else { chart = ChartFactory.createStackedBarChart(plotTitle, masterInstances.attribute(attIndex).name(), "Fequency/weight mass", dataset, PlotOrientation.VERTICAL, true, false, false); } chart.setBackgroundPaint(java.awt.Color.white); BufferedImage image = chart.createBufferedImage(width, height); return image; } else { // histogram for numeric attributes HistogramDataset dataset = new HistogramDataset(); // combine all series in order to get overall std dev, and range Instances temp = new Instances(masterInstances); for (int i = 1; i < series.size(); i++) { Instances additional = series.get(i); for (Instance tempI : additional) { temp.add(tempI); } } AttributeStats stats = temp.attributeStats(attIndex); Stats numericStats = stats.numericStats; double intervalWidth = 3.49 * numericStats.stdDev * StrictMath.pow(temp.numInstances(), (-1.0 / 3.0)); double range = numericStats.max - numericStats.min; int numBins = StrictMath.max(1, (int) StrictMath.round(range / intervalWidth)); // do the master series String masterSeriesTitle = masterInstances.relationName(); if (seriesAreClasses) { for (int i = 0; i < masterInstances.numInstances(); i++) { Instance current = masterInstances.instance(i); if (!current.isMissing(current.classAttribute())) { masterSeriesTitle = current.stringValue(current.classAttribute()); break; } } } // have to set min, max and num bins (using heuristic from AttSummPanel). // Make sure // to set series length to num instances - num missing values for att stats = masterInstances.attributeStats(attIndex); /* * numericStats = stats.numericStats; //numericStats.calculateDerived(); * intervalWidth = StrictMath.max(1, 3.49 * numericStats.stdDev * * StrictMath.pow(masterInstances.numInstances(), (-1.0/3.0))); */ double[] seriesVals = new double[masterInstances.numInstances() - stats.missingCount]; int count = 0; for (int i = 0; i < masterInstances.numInstances(); i++) { Instance current = masterInstances.instance(i); if (!current.isMissing(attIndex)) { seriesVals[count++] = current.value(attIndex); } } dataset.addSeries(masterSeriesTitle, seriesVals, numBins, numericStats.min, numericStats.max); // any subsequent series for (int i = 1; i < series.size(); i++) { Instances nextSeries = series.get(i); String seriesTitle = nextSeries.relationName(); if (seriesAreClasses) { for (int j = 0; j < nextSeries.numInstances(); j++) { Instance current = nextSeries.instance(j); if (!current.isMissing(nextSeries.classAttribute())) { seriesTitle = current.stringValue(nextSeries.classAttribute()); break; } } } stats = nextSeries.attributeStats(attIndex); /* * numericStats = stats.numericStats; // * numericStats.calculateDerived(); intervalWidth = StrictMath.max(1, * 3.49 * numericStats.stdDev * * StrictMath.pow(masterInstances.numInstances(), (-1.0/3.0))); range = * numericStats.max - numericStats.min; numBins = StrictMath.max(1, * (int) StrictMath.round(range / intervalWidth)); */ seriesVals = new double[nextSeries.numInstances() - stats.missingCount]; count = 0; for (int j = 0; j < nextSeries.numInstances(); j++) { Instance current = nextSeries.instance(j); if (!current.isMissing(attIndex)) { seriesVals[count++] = current.value(attIndex); } } dataset.addSeries(seriesTitle, seriesVals, numBins, numericStats.min, numericStats.max); } JFreeChart chart = ChartFactory.createHistogram(plotTitle, masterInstances.attribute(attIndex).name(), null, dataset, PlotOrientation.VERTICAL, true, false, false); // chart.setBackgroundPaint(java.awt.Color.white); XYPlot xyplot = (XYPlot) chart.getPlot(); xyplot.setForegroundAlpha(0.50F); XYBarRenderer xybarrenderer = (XYBarRenderer) xyplot.getRenderer(); xybarrenderer.setDrawBarOutline(false); xybarrenderer.setShadowVisible(false); BufferedImage image = chart.createBufferedImage(width, height); return image; } }
From source file:com.rapidminer.gui.plotter.charts.ParetoChartPlotter.java
private JFreeChart createChart() { if (data.getItemCount() > 0) { // get cumulative percentages KeyedValues cumulative = DataUtilities.getCumulativePercentages(data); CategoryDataset categoryDataset = DatasetUtilities.createCategoryDataset( "Count for " + this.dataTable.getColumnName(this.countColumn) + " = " + countValue, data); // create the chart... final JFreeChart chart = ChartFactory.createBarChart(null, // chart title this.dataTable.getColumnName(this.groupByColumn), // domain axis label "Count", // range axis label categoryDataset, // data PlotOrientation.VERTICAL, true, // include legend true, false);//w w w. j av a2s.c om // set the background color for the chart... chart.setBackgroundPaint(Color.WHITE); // get a reference to the plot for further customization... CategoryPlot plot = chart.getCategoryPlot(); CategoryAxis domainAxis = plot.getDomainAxis(); domainAxis.setLowerMargin(0.02); domainAxis.setUpperMargin(0.02); domainAxis.setLabelFont(LABEL_FONT_BOLD); domainAxis.setTickLabelFont(LABEL_FONT); // set the range axis to display integers only... NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis(); rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits(Locale.US)); rangeAxis.setLabelFont(LABEL_FONT_BOLD); rangeAxis.setTickLabelFont(LABEL_FONT); // second data set (cumulative percentages) CategoryDataset dataset2 = DatasetUtilities.createCategoryDataset("Cumulative (Percent)", cumulative); LineAndShapeRenderer renderer2 = new LineAndShapeRenderer(); renderer2.setSeriesPaint(0, SwingTools.VERY_DARK_BLUE.darker()); NumberAxis axis2 = new NumberAxis("Percent of " + countValue); axis2.setNumberFormatOverride(NumberFormat.getPercentInstance()); axis2.setLabelFont(LABEL_FONT_BOLD); axis2.setTickLabelFont(LABEL_FONT); plot.setRangeAxis(1, axis2); plot.setDataset(1, dataset2); plot.setRenderer(1, renderer2); plot.mapDatasetToRangeAxis(1, 1); axis2.setTickUnit(new NumberTickUnit(0.1)); // show grid lines plot.setRangeGridlinesVisible(true); // bring cumulative line to front plot.setDatasetRenderingOrder(DatasetRenderingOrder.FORWARD); if (isLabelRotating()) { domainAxis.setTickLabelsVisible(true); domainAxis.setCategoryLabelPositions( CategoryLabelPositions.createUpRotationLabelPositions(Math.PI / 2.0d)); } return chart; } else { return null; } }
From source file:ca.myewb.frame.servlet.GraphServlet.java
private JFreeChart getChapterPareto(DefaultKeyedValues data, String title, String quantity, String range) { JFreeChart chart;/*from w w w. java 2 s. c o m*/ data.sortByValues(SortOrder.DESCENDING); KeyedValues cummulative = DataUtilities.getCumulativePercentages(data); CategoryDataset dataset = DatasetUtilities.createCategoryDataset(quantity, data); // create the chart... chart = ChartFactory.createBarChart(title, // chart title "Chapter", // domain axis label range, // range axis label dataset, // data PlotOrientation.VERTICAL, true, // include legend true, false); CategoryPlot plot = chart.getCategoryPlot(); CategoryAxis domainAxis = plot.getDomainAxis(); domainAxis.setLowerMargin(0.02); domainAxis.setUpperMargin(0.02); domainAxis.setCategoryLabelPositions(CategoryLabelPositions.UP_45); // set the range axis to display integers only... NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis(); rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits()); LineAndShapeRenderer renderer2 = new LineAndShapeRenderer(); CategoryDataset dataset2 = DatasetUtilities.createCategoryDataset("Cummulative", cummulative); NumberAxis axis2 = new NumberAxis("Percent"); axis2.setNumberFormatOverride(NumberFormat.getPercentInstance()); axis2.setUpperBound(1); axis2.setLowerBound(0); plot.setRangeAxis(1, axis2); plot.setDataset(1, dataset2); plot.setRenderer(1, renderer2); plot.mapDatasetToRangeAxis(1, 1); plot.setDatasetRenderingOrder(DatasetRenderingOrder.FORWARD); return chart; }