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Fig. 3 | BMC Biotechnology

Fig. 3

From: Optimization of physical conditions for the production of thermostable T1 lipase in Pichia guilliermondii strain SO using response surface methodology

Fig. 3

Diagnostic case statistic plots of data points. a Is a normality plot, showing studentized residual data points conforming to the assumption of normal percentage probability distribution by aligning themselves along the straight line of regression. b Perturbation plot represents significant parameters in form of lines with alphabets at the end of each line. The most significant parameter is the line with the most curve with respect to the reference point at the center. A-pH, B-incubation time, C-inoculum size. c are internally studentized residuals for run numbers (experimented data) and d internally studentized residuals for predicted data points. Both figures show data points evenly distributed within limit in a straight line with no data point exceeding the red horizontal lines

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BMC Biotechnology

ISSN: 1472-6750

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