Table 1.
Class labels based on roughness (Ra) values.
| Roughness Value (Ra) | Class Attribute | Class Label |
|---|---|---|
| Ra ≤ 0.90 | Smooth finish | 1 |
| 0.90 < Ra < 2.50 | Medium finish | 2 |
| 2.50 ≤ Ra ≤ 4.10 | Coarse finish | 3 |
| Ra > 4.10 | Possible outlier | 0 |
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