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. Author manuscript; available in PMC: 2017 Oct 13.
Published in final edited form as: Proc (IEEE Int Conf Healthc Inform). 2017 Sep 14;2017:5–12. doi: 10.1109/ICHI.2017.15

Table I. Counts before and after negative instance filtering.

Class Training Test
Before After Before After
Total Pairs 27792 23338 5716 4872
Negative DDIs 23772 19342 4737 3896
Positive DDIs 4020 3996 979 976
Mechanism 1319 1309 302 301
Effect 1687 1676 360 358
Advise 826 824 221 221
Int 188 187 96 96