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Table 2 R2, lack of fit, p-value, coefficients and effects on quadratic model to responses obtained of biomass and EPS

From: Influence of culture conditions on the production of extracellular polymeric substances (EPS) by Arthrospira platensis

Source Biomass yield EPS
Coefficient p-value Coefficient p-value
Model   0.0379   0.0164
A—NaNO3 0.0755 0.1325 8 0.1846
B—PFD 0.0892 0.0856 − 15.67 0.0261
NaNO3 ×  PFD 0.0138 0.8045 17.75 0.0349
NaNO3 ×  NaNO3 0.0244 0.7209 12.88 0.1590
PFD ×  PFD − 0.2646 0.0066 24.88 0.0209
R2 0.8060 0.8563
Lack of fit 0.0006 0.0139