| AbaloneIdt | AbaloneIdt data example | 
| BLOOD | BLOOD data example | 
| Cardiological | Cardiological data example | 
| Cardiological2 | Cardiological data example | 
| classic2sym | Convert classical data frame into a symbolic data. | 
| cor | Generic function for the correlation | 
| cor.default | Generic function for the correlation | 
| cor.symbolic_interval | Generic function for the correlation | 
| cor.symbolic_tbl | Generic function for the correlation | 
| cov | Generic function for the covariance | 
| cov.default | Generic function for the covariance | 
| cov.symbolic_interval | Generic function for the covariance | 
| cov.symbolic_tbl | Generic function for the covariance | 
| Environment | Environment data example | 
| facedata | Face Data Example | 
| ggESDA | A symbolic object by R6 class for interval analysis and ggplot | 
| ggInterval_2Dhist | visualize a 2-dimension histogram by symbolic data with ggplot package. | 
| ggInterval_2DhistMatrix | 2-Dimension histogram matrix | 
| ggInterval_3Dscatter | 3D scatter plot for interval data | 
| ggInterval_boxplot | A interval Box plot | 
| ggInterval_centerRange | Figure with x-axis = center y-axis = range | 
| ggInterval_hist | Histogram for symbolic data with equal-bin or unequal-bin. | 
| ggInterval_index | Plot the range of each observations | 
| ggInterval_indexImage | An index plot presented by color image for interval data. | 
| ggInterval_minmax | A min-max plot for interval data | 
| ggInterval_PCA | Vertice-PCA for interval data | 
| ggInterval_radar | A interval Radar plot | 
| ggInterval_scaMatrix | scatter plot for all variable by interval data. | 
| ggInterval_scatter | scatter plot for two continuous interval data | 
| iris.i | iris.i data example | 
| mtcars.i | mtcars.i data example | 
| mushroom | mushroom data example | 
| oils | oils data example | 
| RSDA2sym | RSDA object to symbolic object for ggplot | 
| scale | scale for symbolic data table | 
| scale.default | scale for symbolic data table | 
| scale.symbolic_interval | scale for symbolic data table | 
| scale.symbolic_tbl | scale for symbolic data table | 
| summary | summary for symbolic data table | 
| summary.default | summary for symbolic data table | 
| summary.symbolic_interval | summary for symbolic data table | 
| summary.symbolic_modal | summary for symbolic data table | 
| summary.symbolic_tbl | summary for symbolic data table |