How to use

GeneralizedSpread

in

org.uma.jmetal.qualityindicator.impl

/**
 * Evaluate() method
 * @param solutionList
 * @return
 */
@Override public Double evaluate(List<S> solutionList) {
 return generalizedSpread(new ArrayFront(solutionList), referenceParetoFront);
}

/**
 * Creates a list with the available indicators (but setCoverage)
 * @param referenceFront
 * @return
 * @throws FileNotFoundException
 */
private static List<QualityIndicator<List<PointSolution>, Double>> getAvailableIndicators(
  Front referenceFront) throws FileNotFoundException {
 List<QualityIndicator<List<PointSolution>, Double>> list = new ArrayList<>() ;
 list.add(new Epsilon<PointSolution>(referenceFront)) ;
 list.add(new PISAHypervolume<PointSolution>(referenceFront)) ;
 list.add(new GenerationalDistance<PointSolution>(referenceFront)) ;
 list.add(new InvertedGenerationalDistance<PointSolution>(referenceFront)) ;
 list.add(new InvertedGenerationalDistancePlus<PointSolution>(referenceFront)) ;
 list.add(new Spread<PointSolution>(referenceFront)) ;
 list.add(new GeneralizedSpread<PointSolution>(referenceFront)) ;
 //list.add(new R2<List<DoubleSolution>>(referenceFront)) ;
 list.add(new ErrorRatio<List<PointSolution>>(referenceFront)) ;
 return list ;
}