/**
* Copyright (C) 2001-2017 by RapidMiner and the contributors
*
* Complete list of developers available at our web site:
*
* http://rapidminer.com
*
* This program is free software: you can redistribute it and/or modify it under the terms of the
* GNU Affero General Public License as published by the Free Software Foundation, either version 3
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without
* even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License along with this program.
* If not, see http://www.gnu.org/licenses/.
*/
package com.rapidminer.gui.renderer.models;
import java.awt.BorderLayout;
import java.awt.Component;
import javax.swing.BorderFactory;
import javax.swing.JPanel;
import com.rapidminer.datatable.DataTable;
import com.rapidminer.datatable.SimpleDataTable;
import com.rapidminer.datatable.SimpleDataTableRow;
import com.rapidminer.gui.look.Colors;
import com.rapidminer.gui.plotter.Plotter;
import com.rapidminer.gui.plotter.PlotterConfigurationModel;
import com.rapidminer.gui.renderer.AbstractRenderer;
import com.rapidminer.operator.IOContainer;
import com.rapidminer.operator.features.transformation.SVDModel;
import com.rapidminer.report.Reportable;
/**
* This is a plot renderer that will show the cumulative amount of eigenvalues in the given model.
*
* @author Sebastian Land
*/
public class SVDModelCumulativePlotRenderer extends AbstractRenderer {
@Override
public Reportable createReportable(Object renderable, IOContainer ioContainer, int desiredWidth, int desiredHeight) {
return getPlotter(renderable);
}
@Override
public String getName() {
return "Cumulative Variance Plot";
}
@Override
public Component getVisualizationComponent(Object renderable, IOContainer ioContainer) {
JPanel panel = new JPanel(new BorderLayout());
JPanel innerPanel = new JPanel(new BorderLayout());
innerPanel.add(getPlotter(renderable).getPlotter());
innerPanel.setBorder(BorderFactory.createMatteBorder(10, 10, 5, 5, Colors.WHITE));
panel.add(innerPanel, BorderLayout.CENTER);
return panel;
}
private Plotter getPlotter(Object renderable) {
SVDModel model = (SVDModel) renderable;
double[] cumulativeVariance = new double[model.getNumberOfComponents()];
for (int i = 0; i < cumulativeVariance.length; i++) {
cumulativeVariance[i] = model.getCumulativeSingularValue(i);
}
DataTable dataTable = new SimpleDataTable("Cumulative Proportion of Singular Values", new String[] {
"Singular Value Vectors", "Cumulative Proportion of Singular Values" });
dataTable.add(new SimpleDataTableRow(new double[] { 0.0d, 0.0d }));
for (int i = 0; i < cumulativeVariance.length; i++) {
dataTable.add(new SimpleDataTableRow(new double[] { i + 1, cumulativeVariance[i] }));
}
PlotterConfigurationModel settings = new PlotterConfigurationModel(
PlotterConfigurationModel.WEIGHT_PLOTTER_SELECTION, dataTable);
settings.setPlotter(PlotterConfigurationModel.LINES_PLOT);
Plotter plotter = settings.getPlotter();
settings.setAxis(0, 0);
settings.enablePlotColumn(1);
return plotter;
}
}