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Table 4 The performance of Maximum Entropy with Type 8 feature set (unigrams + bigrams + indicators with window size of 6) in the test data

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

Status Number Precision Recall F-measure
Continuing 233 0.86 0.95 0.90
Discontinued 166 0.94 0.89 0.92
Started 178 0.92 0.91 0.91
Unclassified 173 0.92 0.84 0.88
Total (weighted) 750 0.91 0.90 0.90