parametersToOptimize.put(IGNORE_ATTR_PROB, new FixedOrderRecommender(0.5, 0.0, 0.1, 0.2, 0.4, 0.7, 0.8, 0.9, 0.95, 0.98, 0.99));
parametersToOptimize.put(MAX_DEPTH, new FixedOrderRecommender(Integer.MAX_VALUE, 2, 3, 4, 5, 6, 7, 9));
parametersToOptimize.put(MIN_SCORE, new FixedOrderRecommender(0.00000000000001, Double.MIN_VALUE, 0.0, 0.000001, 0.0001, 0.001, 0.01, 0.1));
parametersToOptimize.put(MIN_CAT_ATTR_OCC, new FixedOrderRecommender(5, 0, 1, 64, 1024, 4098));
parametersToOptimize.put(MIN_LEAF_INSTANCES, new FixedOrderRecommender(0, 10, 100, 1000, 10000, 100000));
parametersToOptimize.put(SCORER, new FixedOrderRecommender(new MSEScorer(MSEScorer.CrossValidationCorrection.FALSE), new MSEScorer(MSEScorer.CrossValidationCorrection.TRUE), new SplitDiffScorer(), new InformationGainScorer(), new GiniImpurityScorer()));
return parametersToOptimize;
}