[Retracted] Enhancement Modelling Based on Electrical Discharge Machining Successive Discharges

Table 3

Comparison of surface roughness values.

No.	Experimental Ra (μm)	Model Ra (μm)	Error (%)
1	4.22	3.78	5.29
2	4.34	3.89	2.27
3	4.54	3.78	2.35
4	6.33	5.87	7.53
5	6.89	6.22	7.9
6	9.12	8.89	5.18
7	10.45	9.66	9.77
8	11.76	10.87	7.86
9	12.45	11.34	15.16