Fig. 2
From: Identification of conclusive association entities in biomedical articles
Analysis of the co-occurrence-based indicator (CoOcc): Both CAEs and non-CAEs mainly fall in the area where 0 < CoOcc ≤ 10 (see the two dashed lines), however in this area, probability gain of finding CAEs (ProbGain) oscillates around zero with small absolute values (see the solid line), and hence most CAEs and non-CAEs have similar CoOcc values. This is the reason why CoOcc is less capable of distinguishing CAEs from non-CAEs