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Table 7 Comparison between the rule-based and the machine learning-based classifiers regarding four use statuses

From: Using natural language processing methods to classify use status of dietary supplements in clinical notes

Status Number TPa for RBa TP for MLa RB (+)a ML (+) RB (+) ML (−)a RB (−) ML (+) RB (−) ML (−)
C 233 212 222 209 3 13 8
D 166 132 148 128 4 20 14
S 178 151 163 147 4 16 12
U 173 166 144 142 24 2 4
  1. aTP: true positive; RB: rule-based classifier; ML: machine learning-based classifier; (+): correctly classified; (−): falsely classified