Feature Importance From Xgboost:
('A', 20.263429)
('B', 14.631438)
('C', 49.617475)
('D', 1.7183341)
('E', 0.0)
('F', 4.438192)
('G', 4.4471968)
('H', 0.75913663)
('I', 4.1248)

Feature Importance From Catboost:
('A', 31.77073440713819)
('B', 25.450736642294263)
('C', 4.584613760816324)
('D', 1.2102069060769505)
('E', 0.2570517403500689)
('F', 4.556130077381411)
('G', 7.5309680136560075)
('H', 2.0941628837404185)
('I', 22.54539556854636)

如您所见，“C”的特征重要性在 Cat 增强中太低了。