Table 4 Summary of model-fitting results for predicting the response variable (SSA).

From: Statistical optimization of high specific surface area zinc oxide synthesized through carbonation and thermal decomposition using response surface methodology

Model

Sequential p-value

Lack-of-fit p-value

Adjusted R2

Predicted R2

 

Linear

0.0005

0.1151

0.5055

0.3427

 

2FI

< 0.0001

0.5617

0.9257

0.8583

Suggested

Quadratic

0.9623

0.4617

0.9054

0.7664

 

Cubic

0.3678

0.4655

0.9290

0.1475

Aliased

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