Table 6 Significance analysis of the Plackett − Burman test parameters.

From: Experimental study on DEM parameters calibration for organic fertilizer by the particle swarm optimization − backpropagation neural networks

Parameters

Stdized effects

Sum of squares

Contribution (%)

Significance order

CORO−O

−1.31

5.15

0.65

9

CORO−p

6.85

140.77

17.77

4

COSO−O

−7.42

165.32

20.87

2

COSO−p

8.69

226.55

28.60

1

CODO−O

7.24

157.40

19.97

3

CODO−p

2.89

25.11

3.17

6

NSCO−O

3.22

31.17

3.93

5

TSCO−O

−2.17

14.17

1.79

8

NCSO−O

0.17

0.083

0.011

10

TCSO−O

2.59

20.18

2.55

7

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