Fig. 1
From: Towards scaling Twitter for digital epidemiology of birth defects

F1-scores (F) for “defect” (+), “possible defect” (?), and “non-defect” (−) tweet classes for three classifiers trained on the original, imbalanced data set
From: Towards scaling Twitter for digital epidemiology of birth defects

F1-scores (F) for “defect” (+), “possible defect” (?), and “non-defect” (−) tweet classes for three classifiers trained on the original, imbalanced data set