[Retracted] Green Machining Characteristics Study of Al-6063 in CNC Milling Using Taguchi Method and Grey Relational Analysis

Table 5

ANOVA for S/N ratios (R_a-MQL).

Response surface linear model
Analysis of variance for S/N ratio-MQL
Source	Df	Seq. SS	Adj. SS	Adj. Ms	F-value	value
A	2	18.503	18.5028	9.2514	19.55	0.049
B	2	87.980	87.9796	43.9898	92.98	0.011
C	2	6.719	6.7186	3.3593	7.10	0.123
Residual error	2	0.946	0.9463	0.4731
Total	8	114.147
Standard deviation	0.6878
R2	99.2%
Adj R2	96.7%