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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