Table 2 Results of ANOVA for specific draft.

From: Development and performance evaluation of variable width raised bed former with optimal parameters predicted by RBF neural network-PSO technique

Source

SS

df

MS

F-value

p-value

Model

35009089.108

26

1346503.427

131.609

< 0.001

Intercept

1838450182.688

1

1838450182.688

179692.590

< 0.001

Soil moisture

10586034.157

2

5293017.079

517.347

< 0.001

Working width

23579769.129

2

11789884.565

1152.359

< 0.001

Operational speed

288777.886

2

144388.943

14.113

< 0.001

Soil moisture × working width

358177.240

4

89544.310

8.752

< 0.001

Soil moisture × operational speed

46777.370

4

11694.342

1.143

0.346

Working width × operational speed

29862.050

4

7465.513

0.730

0.576

Soil moisture × working width × operational speed

119691.275

8

14961.409

1.462

0.193

Error

552478.597

54

10231.085

  

Total

1874011750.393

81

   

Corrected total

35561567.705

80

   
  1. R2 = 0.984 (adjusted R2 = 0.977), SS = Sum of squares, df = degree of freedom, MS = Mean square.
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