joined(_:on:kind:)
Generates a data frame by joining with another data frame type with a common column you select by name.
Declaration
func joined<R>(_ other: R, on columnName: String, kind: JoinKind = .inner) -> DataFrame where R : DataFrameProtocolParameters
- other:
A data frame type that represents the right side of the join.
- columnName:
A column name that exists in both data frame types.
- kind:
A join operation type.
Return Value
A new data frame.