Table 2.
Fitting OLS, Existing M-Robust Methods and Proposed RME on Telephone Call Data.
| Method | Coefficients | |||
|---|---|---|---|---|
| Constant | X | Values used | SSE | |
| OLS | − 26.01 | 0.504 | 24 | 695.44 |
| LMS | − 5.164 | 0.108 | 16 | 0.1313 |
| Andrew (1.5) | − 4.9072 | 0.1033 | 16 | 0.17308 |
| Tukey (3.8) | − 5.2439 | 0.1102 | 16 | 0.13665 |
| Qadir (1.0) | − 5.505 | 0.1122 | 16 | 0.36726 |
| Ali (3.0) | − 5.2092 | 0.1094 | 16 | 0.13404 |
| Insha (4) | − 5.243 | 0.1102 | 16 | 0.1406 |
| Alamgir (3.0) | − 5.2454 | 0.1102 | 16 | 0.14127 |
| Khalil (4.0) | − 5.2343 | 0.1099 | 16 | 0.13863 |
| Proposed (a = 6, k = 3.5) | − 5.5109 | 0.1094 | 16 | 0.13256 |