DataFrame<R, C>.RenameColumns Method

Renames the columns that satisfy a condition using the specified key generator.

Definition

Namespace: Extreme.DataAnalysis
Assembly: Extreme.Numerics (in Extreme.Numerics.dll) Version: 8.1.23

public DataFrame<R, C> RenameColumns(
	Func<C, bool> condition,
	Func<C, C> keyGenerator
)

Visual Basic

Public Function RenameColumns ( 
	condition As Func(Of C, Boolean),
	keyGenerator As Func(Of C, C)
) As DataFrame(Of R, C)

C++/CLI

public:
DataFrame<R, C>^ RenameColumns(
	Func<C, bool>^ condition, 
	Func<C, C>^ keyGenerator
)

member RenameColumns : 
        condition : Func<'C, bool> * 
        keyGenerator : Func<'C, 'C> -> DataFrame<'R, 'C>

condition Func<C, Boolean>: A predicate that indicates whether a column should be renamed.
keyGenerator Func<C, C>: A function that maps old keys to new keys.

DataFrame<R, C>
The current data frame with the specified keys in the column index replaced.