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Table 5 Statistical scores of the meta-model approximation results compared to observation data

From: Meta-modeling of a simulation chain for urban air quality

Scores over 1-month simulations

Sirane solution \(c({\mathbf {p}})\)

Meta-model solution \({\hat{c}}({\mathbf {p}})\)

 

NRMSE

\(\sqrt{\text {NMSE}}\)

Bias

Correlation

NRMSE

\(\sqrt{\text {NMSE}}\)

Bias

Correlation

All 4 stations

0.479

0.499

12.88

0.746

0.461

0.466

10.28

0.728

Lecoq

0.368

0.351

6.81

0.847

0.364

0.347

6.5

0.846

Montferrand

0.366

0.33

2.04

0.833

0.377

0.325

\(-1.6 \)

0.836

Gare

0.655

0.587

33.13

0.776

0.469

0.52

20.43

0.783

Chamalières

0.474

0.573

16.05

0.719

0.498

0.55

15.8

0.648

  1. NRMSE (10), \(\sqrt{\text {NMSE}}\) (11), Correlation (12), and bias (13) in \(\upmu \hbox {g\,m}^{-3}\)