Fig. 5

The importance rankings. a The relative importance ranking of RF; the top ten were age, sweating, dark red tongue, insomnia, smoke, greasy coating, thick coating, yellow coating, dry skin, loose teeth, purple tongue, and polyuria. b The importance ranking of LGBM; the top ten were age, yellow coating, loose teeth, smoke, insomnia, dry skin, thick coating, purple tongue, greasy coating, sweating, polyuria, and dark red tongue