Research Article
Choosing the Right Spatial Weighting Matrix in a Quantile Regression Model
Table 2
Typical computational details for different procedures.
| Procedure | Time (seconds) |
| Instrumentation step (1850 Ws) | 1850.33 | 5000 boosting iterations on all data | 5.41 | gMDL criterion calculation | 1108.42 | 5000 boosting iterations on reduced data | 2.71 | stability selection | 106.35 | LSA step 1 | 0.55 | LSA step 2 | 0.05 | Full path step 1 (with 5-fold CV) | 9.08 | Full path step 2 (with 5-fold CV) | 79.11 | SCAD step 1 (with gMDL, 50 penalty values) | 2.18 | SCAD step 2 (with gMDL, 50 penalty values) | 2.88 | Elastic net step 1 | 1.11 | Elastic net step 2 | 7.00 | Elastic net single step | 7.82 |
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