joined(_:on:kind:)
Generates a data frame by joining with another data frame type along the columns that you select by identifier for both data frame types.
Declaration
func joined<R, T>(_ other: R, on columnIDs: (left: ColumnID<T>, right: ColumnID<T>), kind: JoinKind = .inner) -> DataFrame where R : DataFrameProtocol, T : HashableParameters
- other:
A data frame type that represents the right side of the join.
- columnIDs:
The column identifiers of the data frame and the other data frame type,
other, respectively. - kind:
A join operation type.
Return Value
A new data frame.