Table 5 The best values of evaluation criteria for FFBF and CFBF networks in different conditions of the number of layers and threshold functions for MR in CD dryer.

From: Estimation of moisture ratio for apple drying by convective and microwave methods using artificial neural network modeling

Network

Training algorithm

Threshold function

Number of layers and neurons

\(MSE\)

Train

Test

\(R^{2}\)

\(MAE\)

\(R^{2}\)

\(MAE\)

FFBP

LM

TAN-TAN-PUR

2-10-10-1

0.00044

0.9993

0.0047

0.9994

0.0041

FFBP

BR

TAN-LOG-PUR

2-15-10-1

0.00099

0.9988

0.0089

0.9990

0.0076

CFBP

LM

TAN-TAN-PUR

2-12-1

0.00084

0.9991

0.0064

0.9992

0.0057

CFBP

BR

TAN-TAN-TAN

2-8-8-1

0.00102

0.9988

0.0093

0.9989

0.0082

  1. The best values of the evaluation criteria are shown in bold