public DataFrame<R, string> ReadDataFrame<R>(
	int keyColumn,
	bool dropIndexColumn = true
)

Public Function ReadDataFrame(Of R) ( 
	keyColumn As Integer,
	Optional dropIndexColumn As Boolean = true
) As DataFrame(Of R, String)

public:
generic<typename R>
DataFrame<R, String^>^ ReadDataFrame(
	int keyColumn, 
	bool dropIndexColumn = true
)

member ReadDataFrame : 
        keyColumn : int * 
        ?dropIndexColumn : bool 
(* Defaults:
        let _dropIndexColumn = defaultArg dropIndexColumn true
*)
-> DataFrame<'R, string>