| G02EFF | Stepwise linear regression |
| L8c1a: | Variable selection | (6 routines) |
| L8c1b: | Parameter estimation (search also class L8c1a) | (9 routines) |
| L8c1c: | Analysis (search also classes L8c1a and L8c1b) | (6 routines) |
| L8c1d: | Inference (search also classes L8c1a and L8c1b) | (2 routines) |