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Table 10 Mean F and random baseline for taxonomic classes in three frequency ranges

From: The first step in the development of text mining technology for cancer risk assessment: identifying and organizing scientific evidence in risk assessment literature

No. of abstracts(f) Classes F Random
f > 300 9 0.80 0.38
100 < f ≤ 300 12 0.73 0.13
20 < f ≤ 100 16 0.68 0.04