Table 5

Summary statistics of the models for the degree of degradation (response Z)

SourceSDR2Adjusted R2Predicted R2PressComment
2FI 15.41 0.1081 0.0218 −0.1526 9,177.16  
Quadratic 11.20 0.5433 0.4645 0.3239 5,383.66  
Cubic 8.85 0.7540 0.6654 0.5300 3,742.42  
Quartic 7.05 0.8751 0.7876 0.6123 3,087.29 Suggested 
SourceSDR2Adjusted R2Predicted R2PressComment
2FI 15.41 0.1081 0.0218 −0.1526 9,177.16  
Quadratic 11.20 0.5433 0.4645 0.3239 5,383.66  
Cubic 8.85 0.7540 0.6654 0.5300 3,742.42  
Quartic 7.05 0.8751 0.7876 0.6123 3,087.29 Suggested 
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