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