sorted(on:_:by:)
Generates a data frame by copying the data frame’s rows and then sorting the rows according to a column that you select by its name and type, with a predicate.
Declaration
func sorted<T>(on columnName: String, _ type: T.Type, by areInIncreasingOrder: (T, T) throws -> Bool) rethrows -> DataFrameParameters
- 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.