surrogate_explainer.fit(X_train, y_train, use_oracle=True, prune='pre', scorer_type='f1')

'''
Output Logs
2018-10-31 01:49:32,614 - skater.core.global_interpretation.tree_surrogate - INFO - pre pruning applied ...
2018-10-31 01:49:32,617 - skater.core.global_interpretation.tree_surrogate - INFO - Scorer used f1-score
2018-10-31 01:49:34,119 - skater.core.global_interpretation.tree_surrogate - INFO - Done generating prediction using the surrogate, shape (22792, 2)
2018-10-31 01:49:34,136 - skater.core.global_interpretation.tree_surrogate - INFO - Done scoring, surrogate score 0.889; oracle score 0.898
'''