Table 5 Various Statistical parameters of linear regression models.

From: Comparative study of Sombor index and its various versions using regression models for top priority polycyclic aromatic hydrocarbons

\(r^2\)

F

SE

RMSE

Significant

0.943

599.376

16.437

15.999

0.000

0.496

33.435

69.709

67.745

0.000

0.636

63.022

68.764

66.930

0.000

0.815

158.945

10.358

10.081

0.000

0.815

158.921

4.107

3.997

0.000

0.606

35.405

28.973

28.2

0.000

0.739

101.832

35.678

34.727

0.000

0.809

152.383

57.756

56.215

0.000

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