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Subkey                      Default                 Options                               
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Variance                    1.0                     Float                                 
GroupwiseSearch             True                    Boolean(s)                            
SelectFromModel             0.275                   Float                                 
SelectFromModel_estimator   Lasso, LR, RF           Lasso, LR, RF                         
SelectFromModel_lasso_alpha 0.1, 1.4                Two Floats: loc and scale             
SelectFromModel_n_trees     10, 90                  Two Integers: loc and scale           
UsePCA                      0.275                   Float                                 
PCAType                     95variance, 10, 50, 100 Integer(s), 95variance                
StatisticalTestUse          0.275                   Float                                 
StatisticalTestMetric       MannWhitneyU            ttest, Welch, Wilcoxon, MannWhitneyU  
StatisticalTestThreshold    -3, 2.5                 Two Integers: loc and scale           
ReliefUse                   0.275                   Float                                 
ReliefNN                    2, 4                    Two Integers: loc and scale           
ReliefSampleSize            0.75, 0.2               Two Floats: loc and scale             
ReliefDistanceP             1, 3                    Two Integers: loc and scale           
ReliefNumFeatures           10, 40                  Two Integers: loc and scale           
RFE                         0.0                     Float                                 
RFE_estimator               Lasso, LR, RF           Lasso, LR, RF                         
RFE_lasso_alpha             0.1, 1.4                Two Floats: loc and scale             
RFE_n_trees                 10, 90                  Two Integers: loc and scale           
RFE_n_features_to_select    10, 90                  Two Integers: loc and scale           
RFE_step                    1, 9                    Number of features eliminated per step
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