subscript(_:)
Retrieves one or more summaries by their group keys.
Declaration
subscript(keys: Any?...) -> DataFrame? { get }Parameters
- keys:
A comma-separated, or variadic, list of key optionals.
Retrieves one or more summaries by their group keys.
subscript(keys: Any?...) -> DataFrame? { get }A comma-separated, or variadic, list of key optionals.