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Table 1 Machine learning system evaluation on 500 randomly selected tweets from the unannotated tweets corpus

From: Leveraging machine learning-based approaches to assess human papillomavirus vaccination sentiment trends with Twitter data

Category

Precision

Recall

F measure

Overall

Micro-averaging

0.7860

0.7860

0.7860

Macro-averaging

0.7112

0.7051

0.7081

Per Category

Unrelated

0.9337

0.9482

0.9409

Related

Positive

0.6596

0.8774

0.7530

Neutral

0.7586

0.5690

0.6502

Negative

Safety

0.8039

0.6308

0.7069

Others

0.4000

0.5000

0.4444