Optimization of amylase production by the biological control agent Bacillus halotolerans RFP74 using response surface methodology

Journal of Genetic Engineering and Biotechnology

Table 3 Fit summary

Source	Sequential p value	Lack of fit p value	Adjusted R²	Predicted R²
Linear	0.2192	0.0003	0.0921	− 0.4492
2FI	0.2929	0.0003	0.1524	− 3.0241
Quadratic	< 0.0001	0.0595	0.9122	0.7670	Suggested
Cubic	0.0321	0.3760	0.9686	− 0.9424	Aliased