Table 2 Comparison between the coefficient of determination values (\(R^2\)) of degree-based and eccentricity-based Sombor index.

From: Eccentric sombor index of graphs and its role in the structure-property relationship analysis of polycyclic aromatic compounds

Sombor index

MW

BP

MP

MR

PO

MV

FP

Degree-based

0.9713

0.7978

0.7009

0.9030

0.9029

0.7786

0.8595

Eccentricity-based

0.9571

0.9159

0.7282

0.9370

0.9371

0.9422

0.9502

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