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    • Aggregator(T, U) Class
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  • WithRowIndex Method Overloads
    • WithRowIndex(R1) Method (C)
    • WithRowIndex(R1) Method (Index(R1))
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    • WithRowIndex(R1, R2, R3) Method (C, C, C)
  • WithRowIndex(R1, R2, R3) Method (C, C, C)
DataFrameR, CWithRowIndexR1, R2, R3 Method (C, C, C)Extreme Optimization Numerical Libraries for .NET Professional
Returns a new data frame using the specified columns as a hierarchical index.

Namespace: Extreme.Collections
Assembly: Extreme.Numerics.Net40 (in Extreme.Numerics.Net40.dll) Version: 6.0.16073.0 (6.0.16312.0)
Syntax

C#
VB
C++
F#
Copy
public DataFrame<Tuple<R1, R2, R3>, C> WithRowIndex<R1, R2, R3>(
	C column1Key,
	C column2Key,
	C column3Key
)
Public Function WithRowIndex(Of R1, R2, R3) ( 
	column1Key As C,
	column2Key As C,
	column3Key As C
) As DataFrame(Of Tuple(Of R1, R2, R3), C)
public:
generic<typename R1, typename R2, typename R3>
DataFrame<Tuple<R1, R2, R3>^, C>^ WithRowIndex(
	C column1Key, 
	C column2Key, 
	C column3Key
)
member WithRowIndex : 
        column1Key : 'C * 
        column2Key : 'C * 
        column3Key : 'C -> DataFrame<Tuple<'R1, 'R2, 'R3>, 'C> 

Parameters

column1Key
Type: C
The key of the first column.
column2Key
Type: C
The key of the second column.
column3Key
Type: C
The key of the second column.

Type Parameters

R1
The element type of the first column.
R2
The element type of the second column.
R3
The element type of the second column.

Return Value

Type: DataFrameTupleR1, R2, R3, C
A new data frame that contains all the columns in the current data frame indexed by column1Key, column2Key, and column3Key.
Exceptions

ExceptionCondition
InvalidCastException

The column with key column1Key could not be cast to a vector with element type R1

-or-

The column with key column2Key could not be cast to a vector with element type R2

-or-

The column with key column3Key could not be cast to a vector with element type R3

Version Information

Numerical Libraries

Supported in: 5.x
See Also

Reference

DataFrameR, C Class
WithRowIndex Overload
Extreme.Collections Namespace

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