Table 6 Performance evaluation of different models.

From: Enhancing groundwater level prediction with a hybrid deep learning model in Jinan City, China

Model

Stage

MAE

RMSE

R2

LSTM

Training

0.188 ± 0.012

0.164 ± 0.015

0.889 ± 0.011

Testing

0.154 ± 0.011

0.139 ± 0.013

0.891 ± 0.009

GRU

Training

0.161 ± 0.009

0.151 ± 0.010

0.912 ± 0.012

Testing

0.139 ± 0.008

0.121 ± 0.009

0.928 ± 0.009

STGCN

Training

0.095 ± 0.006

0.125 ± 0.008

0.956 ± 0.008

Testing

0.095 ± 0.007

0.103 ± 0.006

0.965 ± 0.008

STGPM

Training

0.062 ± 0.004

0.064 ± 0.003

0.980 ± 0.001

Testing

0.039 ± 0.002

0.052 ± 0.002

0.988 ± 0.001