Table 3 Optimization of LSTM model parameters.

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

Property

Value

Property

Value

Gradient threshold

1

Maximum epochs

500

Squared gradient factor

0.99

Mini batch size

10

Initial learn rate

0.01

Gradient factor

0.9

Drop factor

0.1

Drop period

500

Number of hidden layers

350

Solver for training network

adam