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Table 3 Influence of the number of nodes in different hidden layers on network prediction error

From: Estimation of nitrate nitrogen content in cotton petioles under drip irrigation based on wavelet neural network approach using spectral indices

Learning rate

Number of iterations

Maximum allowable error

Number of hidden layer nodes

MRE%

0.01

1000

0.001

5

7.14

0.01

1000

0.001

8

5.86

0.01

1000

0.001

10

5.82

0.01

1000

0.001

12

6.92

0.01

1000

0.001

16

6.35

0.01

1000

0.001

20

5.92