Table 5 Optimization of ANN model parameters.

From: Deep learning time-series modeling for assessing land subsidence under reduced groundwater use

 

Initial value

Stopping criteria

Target value

Epoch

0

9

103

Elapsed time

1.66 s

Performance

1.09 \(\times \hspace{0.17em}\)10–3

6.6\(0\hspace{0.17em}\times \hspace{0.17em}\)10–3

0

Gradient

6.00 × 10–1

1.7\(0\hspace{0.17em}\times \hspace{0.17em}\)10–2

10–7

mu

10–3

10–4

1010

Validation checks

0

6

6

Loss function

MSE

Activation function

Hyperbolic tangent function

Number of hidden layer

20