Machining Parameters and Toolpath Productivity Optimization Using a Factorial Design and Fit Regression Model in Face Milling and Drilling Operations

Table 7

Variance analysis of the experiment (Table 3).

Source	DF	Adj. SS	Adj. MS	F value	value
Regression	3	7.89958	2.63319	669.94	0.00001
ap	1	6.35191	6.35191	1616.07	0.00001
	1	0.71156	0.71156	181.04	0.00001
fz	1	0.83611	0.83611	212.72	0.00001
Error	23	0.09040	0.00393
Total	26	7.98998

R² (pred): 98.36%.