DataFrameR, CRenameColumn Method (C, C)

Extreme Optimization Numerical Libraries for .NET Professional

Renames the specified column.

Namespace: Extreme.DataAnalysis
Assembly: Extreme.Numerics (in Extreme.Numerics.dll) Version: 8.1.1

Syntax

C++

Copy

public DataFrame<R, C> RenameColumn(
	C oldKey,
	C newKey
)

Public Function RenameColumn ( 
	oldKey As C,
	newKey As C
) As DataFrame(Of R, C)

public:
DataFrame<R, C>^ RenameColumn(
	C oldKey, 
	C newKey
)

member RenameColumn : 
        oldKey : 'C * 
        newKey : 'C -> DataFrame<'R, 'C>

Parameters

oldKey: Type: C
The current key of the column.
newKey: Type: C
The new key of the column.

Return Value

Type: DataFrameR, C
The current data frame with the specified key in the column index replaced.

Exceptions

Exception	Condition
KeyNotFoundException	The key oldKey was not found in the column index.
InvalidOperationException	The key newKey already exists in the column index.

Reference

DataFrameR, C Class

RenameColumn Overload

Extreme.DataAnalysis Namespace

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Parameters

Return Value

Reference

DataFrameR, CRenameColumn Method (C, C)