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Table 2 Analysis of variance (ANOVA) for the quadratic uniform design model

From: The artificial neural network approach based on uniform design to optimize the fed-batch fermentation condition: application to the production of iturin A

Factor

Coefficients

Sum of squares

Standard error

Degree of freedom

Ta

Pb

Constant

−4864

 

1002

 

−4.86

0.040*

X 1

59.97

642299

4.91

1

12.21

0.007*

X 2

87.57

6239

8.63

1

10.15

0.010*

X 3

21.81

298991

5.45

1

4.00

0.057

X 1 2

−0.23

656908

0.014

1

−15.97

0.004*

X 2 2

−0.15

1445754

0.015

1

−10.10

0.010*

X 3 2

−0.075

111229

0.015

1

−4.95

0.039*

X 1 X 3

0.0011

7

0.028

1

0.04

0.972

Model

F = 105.55 P = 0.009*

R2 = 99.7 % S = 65.4117

  1. aT denotes t-value.
  2. bP denotes P-value.
  3. *denotes significant.
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Microbial Cell Factories

ISSN: 1475-2859

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