Table 1 Comparative analysis of evaluation indicators.

From: A novel combined intelligent algorithm prediction model for the tunnel surface settlement

Component

Model

MSE

RMSE

MAPE

IMF1

ELM

0.1282

0.3580

4.7890

SSA-ELM

0.0666

0.2581

1.4449

CASSA-ELM

0.0345

0.1858

0.2420

IMF2

ELM

0.0174

0.1321

2.8775

SSA-ELM

0.0069

0.0829

0.7263

CASSA-ELM

0.0001

0.0104

0.1378

IMF3

ELM

0.0302

0.1737

1.0910

SSA-ELM

0.0118

0.1086

0.4638

CASSA-ELM

0.0023

0.0476

0.0514

IMF4

ELM

0.0267

0.1635

0.6439

SSA-ELM

0.0107

0.1034

0.2542

CASSA-ELM

0.0033

0.0578

0.0168

IMF5

ELM

0.0552

0.2350

0.9755

SSA-ELM

0.0212

0.1457

0.2692

CASSA-ELM

0.0012

0.0342

0.0507

R(t)

ELM

0.1247

0.3531

0.0524

SSA-ELM

0.0265

0.1629

0.0218

CASSA-ELM

0.0028

0.0534

0.0043