Renames the columns that satisfy a condition using
the specified key generator.
Namespace: Extreme.DataAnalysisAssembly: Extreme.Numerics.Net40 (in Extreme.Numerics.Net40.dll) Version: 6.0.16073.0 (6.0.16073.0)
public DataFrame<R, C> RenameColumns(
Func<C, bool> condition,
Func<C, C> keyGenerator
)
Public Function RenameColumns (
condition As Func(Of C, Boolean),
keyGenerator As Func(Of C, C)
) As DataFrame(Of R, C)
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>
Parameters
- condition
- Type: SystemFuncC, Boolean
A predicate that indicates whether
a column should be renamed. - keyGenerator
- Type: SystemFuncC, C
A function that maps old keys to new keys.
Return Value
Type:
DataFrameR,
CThe current data frame with the specified keys
in the column index replaced.
Return Value
Type:
DataFrameR,
CA new data frame.
Numerical Libraries
Supported in: 6.0
Reference