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. 2021 Apr 9;12:661132. doi: 10.3389/fmicb.2021.661132

TABLE 4.

Hyperparameter values used to implement the neural networks A. flavus-maize (NN-A. flavus-maize) and F. verticilloides-maize (NN-F. verticilloides-maize) models.

Hyperparameter NN-A. flavus-maize NN-F. verticilloides-maize
Number of input neurons 7 7
Number of hidden layers 1 1
Number of neurons per hidden layer 80 50
Activation function input—hidden ReLU (Eq. 1) ReLU (Eq. 1)
Activation function hidden—output Logistic (Eq. 2) Logistic (Eq. 2)
L2 regularization term 0.0001 1.024
Parameters update algorithm Adam LBFGS

The number of input neurons is defined as the sum of the categorical and continuous data. The hyperparameter values were selected by following a grid searching procedure.