| spselect-package | Selecting spatial scale of area-level covariates in regression models | 
| lars.ss | Spatial scale least angle regression (LARS) | 
| lasso.ss | Spatial scale lasso | 
| spselect | Selecting spatial scale of area-level covariates in regression models | 
| stagewise.ss | Spatial scale incremental forward stagewise regression | 
| stepwise.ss | Spatial scale forward stepwise regression | 
| X | Input data X | 
| X.3D | Input data X.3D | 
| y | Response data y |