Table 2. Statistical data of pesticides in different toxic classes of training sets and external validation sets.

Set name	Total number	Training set					External validation set
		Very highly toxic	Highly toxic	Moderately toxic	Slightly toxic	Nontoxic	Very highly toxic	Highly toxic	Moderately toxic	Slightly toxic	Nontoxic
All	1258 (1005 : 253)	150	166	238	219	232	37	44	58	55	59
RT	829 (663 : 166)	104	116	154	139	150	25	30	39	35	37
LP	151 (120 : 31)	24	24	25	27	20	6	7	6	6	6
Others	278 (222 : 56)	22	26	61	53	60	6	7	13	14	16