Table 1. Number of Chemicals (Total, Actives, and Inactives) Included in the CoMPARA Binding, Antagonism, and Agonism Evaluation Sets and Number of Models Developed within the CoMPARA Project for Each Endpoint.

	binding	antagonism	agonism
number of chemicals	3540	3667	4408
active	411 (11.6%)	314 (8.6%)	164 (3.7%)
inactive	3129 (88.4%)	3353 (91.4%)	4244 (96.3%)
individual QSAR models	34	22	21