Table 4.

Overview of machine learning algorithms for patient classification using interrogation or medical records (SD_Int-MRs: syndrome differentiation based on interrogation or medical records; AA_Int-MRs: association analysis among symptoms, syndromes, and diseases based on interrogation or medical records).

Algorithms	Applications
	SD_Int-MRs	AA_Int-MRs
K-nearest neighbor	[98, 99]
Naïve Bayes	[107, 108, 121]
Decision tree	[108, 115]
Support vector machine	[98, 103–108]	[122]
Neural network	[104, 108, 116]
Graphical models	[108, 112–114]	[123, 124]
Multilabel learning	[100, 101, 109–111]
Miscellaneous	[102, 104, 108, 117–121]	[98, 125–128]