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Table 2 Results, including true positives (TP), false positives (FP), false negative (FN), precision (P), recall (R) and F-score on the evaluation set

From: Mining characteristics of epidemiological studies from Medline: a case study in obesity

.

Evaluation set (60 abstracts)

 

TP

FP

FN

P

R

F

Study design

12

0

1

100.0

92.3

95.9

Population

35

1

4

97.2

89.7

93.3

Exposure

45

8

11

84.9

80.3

82.5

Outcome

73

19

13

79.3

84.8

82.4

Covariate

17

2

0

89.4

100.0

94.4

Effect size

65

2

10

97.0

86.6

91.5

All classes (micro)

247

32

39

88.5

86.3

87.4

All classes (macro)

 

91.3

88.9

90.0

  1. Micro averages are calculated across all different document level mentions; macro averages are calculated across different characteristics.