Table 3: Best ANN models for the pyrethroid group.

Hidden layers/nodesActivation functions
(hidden nodes/output node)
Minimization algorithm in backpropagation algorithm

ANN-P1 1-HL/23Logistic/linear summationLevenberg-Marquardt
ANN-P2 2-HL/5, 15Logistic/linear summationLevenberg-Marquardt
ANN-P3 2-HL/10, 10Logistic/linear summationLevenberg-Marquardt