Research Article
A New Robust Diagnostic Plot for Classifying Good and Bad High Leverage Points in a Multiple Linear Regression Model
Table 10
Standard errors of regression coefficients for Aircraft data set.
|
Variables | Original data | Regular data | | Remove only the suspect BLP detected by OLS-MD plot case | Remove only the suspect BLP detected by LMS-RMD plot cases , | Remove only the suspect BLP detected by MGt-DRGP plot cases , , and | Estimate | SE | Estimate | SE | Estimate | SE | Estimate | SE |
| Aspect. ratio | −3.853 | 1.763 | −3.272 | 1.191 | −3.049 | 0.919 | −3.287 | 0.850 | Life to drag ratio | 2.488 | 1.187 | 1.873 | 0.808 | 1.210 | 0.649 | 1.404 | 0.602 | Weight of the plane | 0.003 | 0.0005 | 0.002 | 0.0004 | 0.001 | 0.0004 | 0.001 | 0.0004 | Max. thrust | −0.002 | 0.0005 | −0.001 | 0.0004 | −0.001 | 0.0003 | −0.001 | 0.0003 | Constant | −3.791 | 10.116 | 4.621 | 7.023 | 9.501 | 5.578 | 10.804 | 5.148 |
|
|