@Override
public TableModel getTableModel(Object renderable, IOContainer ioContainer, boolean isReporting) {
KernelModel kernelModel = (KernelModel) renderable;
DataTable weightDataTable = kernelModel.createWeightsTable();
if (weightDataTable != null) {
return new DataTableViewerTableModel(weightDataTable);
} else {
return null;
}
}
/**
* Creates a new performance vector if the given one is null. Adds a new estimated criterion. If
* the criterion was already part of the performance vector before it will be overwritten.
*/
private PerformanceVector count(KernelModel model, PerformanceVector performanceCriteria)
throws OperatorException {
if (performanceCriteria == null) performanceCriteria = new PerformanceVector();
this.lastCount = 0;
int svNumber = model.getNumberOfSupportVectors();
for (int i = 0; i < svNumber; i++) {
SupportVector sv = model.getSupportVector(i);
if (Math.abs(sv.getAlpha()) > 0.0d) this.lastCount++;
}
EstimatedPerformance svCriterion =
new EstimatedPerformance(
"number_of_support_vectors",
lastCount,
1,
getParameterAsInt(PARAMETER_OPTIMIZATION_DIRECTION) == MDLCriterion.MINIMIZATION);
performanceCriteria.addCriterion(svCriterion);
return performanceCriteria;
}