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Table 1 Class distribution in the training set for edge detection.

From: Self-training in significance space of support vectors for imbalanced biomedical event data

Class label Number of instances Imbalance ratio
AtLoc 48 1:76282
Cause 1117 1:3277
Cause-Theme 6 1:610261
Site 425 1:8614
Site-Theme 3 1:1220524
Theme 9246 1:395
ToLoc 50 1:73231
Negative 3650680 1:0.002
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