Research Article
Two-Stage Method Based on Local Polynomial Fitting for a Linear Heteroscedastic Regression Model and Its Application in Economics
Table 2
Two-stage estimates for
and
of GLS and OLS.
| | Parameters | | |
| | True value | 3.1 | 1.5 |
| | GLS | Fitted value | 3.1004 | 1.4987 | | Relative error | 0.0129% | 0.0867% | | OLS | Fitted value | 3.1813 | 1.4394 | | Relative error | 2.6226% | 4.0400% |
|
|
