Journal of Engineering / 2013 / Article / Tab 5

Research Article

Estimation of Optimum Dilution in the GMAW Process Using Integrated ANN-GA

Table 5

Analysis of variance for testing adequacy of the model.

Parameter1st-order terms2nd-order termsLack of fitError terms -ratio -ratioWhether model is adequate
SSDFSSDFSSDFSSDF

36.889206.233113.51362.72151.0763.390Adequate
7.810200.404110.14260.26150.4547.472Adequate
1.921200.572110.44460.12852.8853.747Adequate
506.0742021.739116.289615.4550.3398.189Adequate

SS: sum of squares; DF: degree of freedom; -ratio (6, 5, 0.5) = 3.40451; -ratio (20, 5, 0.05) = 3.20665.

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