Returns a new data frame that contains only the specified columns.
Namespace:
Extreme.DataAnalysis
Assembly:
Extreme.Numerics (in Extreme.Numerics.dll) Version: 8.1.1
public DataFrame<R, C> GetColumnsAt(
params int[] indexes
)
Public Function GetColumnsAt (
ParamArray indexes As Integer()
) As DataFrame(Of R, C)
public:
DataFrame<R, C>^ GetColumnsAt(
... array<int>^ indexes
)
member GetColumnsAt :
indexes : int[] -> DataFrame<'R, 'C>
Parameters
- indexes
- Type: SystemInt32
An array of zero-based indexes of the columns
to return.
Return Value
Type:
DataFrameR,
CA new data frame.
| Exception | Condition |
|---|
| ArgumentException | One or more of the values in indexes
is less than zero or greater than or equal to the number of rows
in the data frame. |
Reference