Very good hyperparameters

eureqa.py

@@ -6,27 +6,26 @@ import numpy as np
 import pandas as pd
 
 # Dumped from hyperparam optimization
-default_alpha =                    5
-default_fractionReplaced =      0.30
-default_fractionReplacedHof =   0.05
-default_npop =                   200
+default_alpha =                  1.0#0.1
+default_fractionReplaced =      0.10
+default_fractionReplacedHof =   0.10
+default_npop =                  1000
 default_weightAddNode =            1
-default_weightInsertNode =         1
-default_weightDeleteNode =         1
+default_weightInsertNode =         3
+default_weightDeleteNode =         3
 default_weightMutateConstant =    10
 default_weightMutateOperator =     1
 default_weightRandomize =          1
-default_weightSimplify =           1
+default_weightSimplify =        0.01
 default_weightDoNothing =          1
 default_result =                   1
 default_topn =                    10
-default_parsimony =              0.0
+default_parsimony =              1e-4
 default_perturbationFactor =     1.0
 
-
 def eureqa(X=None, y=None, threads=4,
-            niterations=20,
-            ncyclesperiteration=10000,
+            niterations=100,
+            ncyclesperiteration=300,
             binary_operators=["plus", "mult"],
             unary_operators=["cos", "exp", "sin"],
             alpha=default_alpha,