public RegressionWithRanking(RegressionMethod regressionMethod, RegressionFeatureRankingMethod ranker, int nfeatures,
                              Parameters regressionParam, Parameters rankerParam)
 {
     this.regressionMethod = regressionMethod;
     this.ranker           = ranker;
     this.nfeatures        = nfeatures;
     this.regressionParam  = regressionParam;
     this.rankerParam      = rankerParam;
 }
 public RegressionWithRankingMultiSizes(RegressionMethod classifier, RegressionFeatureRankingMethod ranker,
                                        double reductionFactor, int maxFeatures, Parameters classifierParam, Parameters rankerParam)
 {
     this.classifier      = classifier;
     this.ranker          = ranker;
     this.reductionFactor = reductionFactor;
     this.maxFeatures     = maxFeatures;
     this.classifierParam = classifierParam;
     this.rankerParam     = rankerParam;
 }