Table 4 An overview of the fit of the model.

From: Photocatalytic-ozonation process in oxytetracycline degradation in aqueous solution: composite characterization, optimization, energy consumption, and by-products

Fit Summary of OTC

Source

Sequential P-value

Adjusted R2

Predicted R2

   

Linear

 < 0.0001

0/6421

0/6133

   

2FI

0/9883

0/5494

0/5111

   

Quadratic

< 0.0001

0/9992

0/9975

Suggested

  

Cubic

0/1723

0/9995

0/9815

Aliased

  

Model summary statistics

Source

Std. Dev

R2

Adjusted R2

Predicted R2

PRESS

 

Linear

8/36

0/6914

0/6421

0/6133

2188/20

 

2FI

9/38

0/7048

0/5494

0/5111

2766/75

 

Quadratic

0/4060

0/9996

0/9992

0/9975

14/24

Suggested

Cubic

0/3224

0/9999

0/9995

0/9815

104/76

Aliased

Fit summary of COD

Source

Sequential P-value

Adjusted R2

Predicted R2

   

Linear

 < 0.0001

0/6261

0/5954

   

2FI

0/9888

0/5290

0/4859

   

Quadratic

 < 0.0001

0/9954

0/9863

Suggested

  

Cubic

0/3015

0/9964

0/8744

Aliased

  

Model summary statistics

Source

Std. Dev

R2

Adjusted R2

Predicted R2

PRESS

 

Linear

7/28

0/6777

0/6261

0/5954

1662/11

 

2FI

8/17

0/6914

0/5290

0/4859

2111/89

 

Quadratic

0/8062

0/9976

0/9954

0/9863

56/16

Suggested

Cubic

0/7155

0/9991

0/9964

0/8744

516/00

Aliased

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