Open Access
Table 4.
Comparison of prediction error of RSM model estimated and ANN model predicted results of test data.
| Expt. No | % of estimation error of RSM model |
% of prediction error of ANN model |
||
|---|---|---|---|---|
| Surface roughness, Ra | Turning depth deviation | Surface roughness, Ra | Turning depth deviation | |
| 1 | 4.36 | 3.83 | 3.63 | 2.67 |
| 2 | 3.81 | 5.11 | 2.52 | 3.95 |
| 3 | 2.56 | 3.62 | 2.42 | 2.03 |
| 4 | 3.01 | 3.97 | 2.67 | 3.37 |
| 5 | 3.44 | 3.17 | 3.29 | 2.11 |
| 6 | 4.58 | 3.83 | 3.78 | 2.84 |
| Average percentage of prediction error | 3.63 | 3.92 | 3.05 | 2.83 |
| Overall percentage of prediction error | 3.78 | 2.94 | ||
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