Fig. 4From: A statistical strategy for optimizing the production of α-galactosidase by a newly isolated Aspergillus niger NRC114 and assessing its efficacy in improving soymilk properties(a) The normal probability plot of residuals of the predictable A. niger NRC114 α-galactosidase secretion, (b) predicted and actual values plot, and (c) Box–Cox plot for power transformsBack to article page