Assortment of carbon sources in medium for Yarrowia lipolytica lipase production: A statistical approach

Annals of Microbiology

Table 2 Determination and cross-validation coefficients for the calculated models for the two variables biomass yield and extracellular lipase activity^a

Determination and cross-validation coefficients	Design of experiment
	Simplex lattice		Simplex centroid		Simplex extended
	Biomass yield	Lipase activity	Biomass yield	Lipase activity	Biomass yield	Lipase activity
I experimental scheme
Determination coefficient (R ²)	0.8546	0.9143	0.7012	0.8883	–	0.8267
Cross-validation coefficient (Q ²)	0.4832	0.9212	0.4227	0.8546	–	0.7012
II experimental scheme
Determination coefficient (R ²)	0.7308	0.9002	0.7352	0.8923	0.4730	–
Cross-validation coefficient (Q ²)	0.1910	0.7761	0.3190	0.7638	0.5825	–

ISSN: 1869-2044