| G2Sd-package | Grain-size Statistics and Description of Sediment |
| coord_gran | Localisation of stations sampled |
| G2Sd | Grain-size Statistics and Description of Sediment |
| grandistrib | Composition of the sediment |
| granplot | Histogram with a cumulative percentage curve |
| granstat | Calculates all descriptive statistics |
| granulo | Data frame for G2Sd package |