public static TResult Aggregate<R, C, TAccumulate, TResult>(
	this DataFrame<R, C> frame,
	TAccumulate seed,
	Func<TAccumulate, DataFrameRow<R, C>, TAccumulate> func,
	Func<TAccumulate, TResult> resultSelector
)

<ExtensionAttribute>
Public Shared Function Aggregate(Of R, C, TAccumulate, TResult) ( 
	frame As DataFrame(Of R, C),
	seed As TAccumulate,
	func As Func(Of TAccumulate, DataFrameRow(Of R, C), TAccumulate),
	resultSelector As Func(Of TAccumulate, TResult)
) As TResult

public:
[ExtensionAttribute]
generic<typename R, typename C, typename TAccumulate, typename TResult>
static TResult Aggregate(
	DataFrame<R, C>^ frame, 
	TAccumulate seed, 
	Func<TAccumulate, DataFrameRow<R, C>^, TAccumulate>^ func, 
	Func<TAccumulate, TResult>^ resultSelector
)

[<ExtensionAttribute>]
static member Aggregate : 
        frame : DataFrame<'R, 'C> * 
        seed : 'TAccumulate * 
        func : Func<'TAccumulate, DataFrameRow<'R, 'C>, 'TAccumulate> * 
        resultSelector : Func<'TAccumulate, 'TResult> -> 'TResult