| add_model | Add a model specification to a model grid |
| consolidate_model | Consolidate model settings to a complete caret model specification |
| edit_model | Edit model within a model grid |
| model_grid | Pre-allocate an empty model grid |
| remove_model | Remove model from model grid |
| share_settings | Set shared settings of a model grid |
| train.model_grid | Pre-allocate an empty model grid |