sort(on:_:by:)
Arranges the rows of a data frame according to a column that you select by its name and type, with a predicate.
Declaration
mutating func sort<T>(on columnName: String, _ type: T.Type, by areInIncreasingOrder: (T, T) throws -> Bool) rethrowsParameters
- columnName:
The name of a column.
- type:
The column’s type.
- areInIncreasingOrder:
A closure that returns a Boolean that indicates whether the two elements are in increasing order.