Table 8 Effects of up-sampling and down-sampling for imbalanced data
From: Adverse drug reaction detection via a multihop self-attention mechanism
Corpus | P | R | F1 |
|---|---|---|---|
TwiMed-PubMed | 0.858 | 0.852 | 0.853±0.057 |
TwiMed-PubMed (up) | 0.851 | 0.889 | 0.867±0.032 |
TwiMed-PubMed (down) | 0.862 | 0.842 | 0.849±0.033 |
ADE | 0.847 | 0.855 | 0.851±0.013 |
ADE (up) | 0.846 | 0.869 | 0.857±0.007 |
ADE (down) | 0.823 | 0.862 | 0.842±0.014 |