/** Draws the regression equation into the regression equation JLabel icon */
public void setRegressionEquationLabel() {
// get the LaTeX string for the regression equation
String eqn;
// GeoElement geoRegression = statDialog.getRegressionModel();
try {
// prepare number format
StringTemplate highPrecision;
if (daModel.getPrintDecimals() >= 0)
highPrecision =
StringTemplate.printDecimals(StringType.LATEX, daModel.getPrintDecimals(), false);
else
highPrecision =
StringTemplate.printFigures(StringType.LATEX, daModel.getPrintFigures(), false);
// no regression
if (daModel.getRegressionMode().equals(Regression.NONE)
|| statDialog.getRegressionModel() == null) {
eqn = "";
}
// nonlinear
else {
eqn = "y = " + statDialog.getRegressionModel().getFormulaString(highPrecision, true);
}
} catch (Exception e) {
e.printStackTrace();
eqn = "\\text{" + loc.getPlain("NotAvailable") + "}";
}
// create an icon with the LaTeX string
ImageIcon icon =
GeoGebraIconD.createLatexIcon(app, eqn, this.getFont(), false, Color.RED, null);
// set the label icon with our equation string
lblRegEquation.setIcon(icon);
lblRegEquation.revalidate();
updateGUI();
}
private void updateGUI() {
cbPolyOrder.setVisible(daModel.getRegressionMode().equals(Regression.POLY));
predictionPanel.setVisible(!(daModel.getRegressionMode().equals(Regression.NONE)));
repaint();
}