then
Specifies the ordering of the pivot key columns.
In the resulting Pivot, the receiver column (or columns) will appear one level above the keys from columns provided by other.
For more information: See pivot on the documentation website.
Receiver
pivot key column(s) that appear above in the hierarchy.
Return
A special ColumnSet representing the hierarchical pivot key ordering.
Parameters
other
pivot key column(s) that appear below (as child keys of the receiver columns keys) in the hierarchy.
Deprecated
It's recommended to migrate to the String or Extension Properties Access API https://kotlin.github.io/dataframe/apilevels.html