| smds-package | Symbolic MDS |
| idistBox | Compute the interval distance of the hyperbox model. |
| idistSph | Compute the interval distance of the hypersphere model. |
| IMDS | Multidimensional scaling of interval-valued dissimilarities. |
| oil.idiss | Interval-valued dissimilarity data based on Ichino's fats and oil data |
| plot.imds | plotting the estimated spheres or boxes. |
| smds | Symbolic MDS |