IColumn
Properties
| Category | Gets the category index for the column when it is backed by a categorical vector. |
| Element | Gets the runtime element type of the column vector. |
| IsCategorical | Gets whether the column is backed by a categorical representation. |
| Missing | Gets the missing-value schema metadata for the column. |
| Ordinal | Gets the zero-based column ordinal in the schema snapshot. |
| Role | Gets the semantic role assigned to the column. |
| Semantics | Gets semantic metadata assigned to the column. |