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    • SelectRows(R1) Method (Index(R1), Int32, Int32, Int32)
  • SelectRows(R1) Method (Index(R1), Int32, Int32, Int32)
DataFrameR, CSelectRowsR1 Method (IndexR1, Int32, Int32, Int32)Extreme Optimization Numerical Libraries for .NET Professional
Returns a new data frame that contains the selected rows and uses the specified row index.

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

C#
VB
C++
F#
Copy
protected virtual DataFrame<R1, C> SelectRows<R1>(
	Index<R1> index,
	int startRow,
	int endRow,
	int stride
)
Protected Overridable Function SelectRows(Of R1) ( 
	index As Index(Of R1),
	startRow As Integer,
	endRow As Integer,
	stride As Integer
) As DataFrame(Of R1, C)
protected:
generic<typename R1>
virtual DataFrame<R1, C>^ SelectRows(
	Index<R1>^ index, 
	int startRow, 
	int endRow, 
	int stride
)
abstract SelectRows : 
        index : Index<'R1> * 
        startRow : int * 
        endRow : int * 
        stride : int -> DataFrame<'R1, 'C> 
override SelectRows : 
        index : Index<'R1> * 
        startRow : int * 
        endRow : int * 
        stride : int -> DataFrame<'R1, 'C> 

Parameters

index
Type: Extreme.DataAnalysisIndexR1
The new row index.
startRow
Type: SystemInt32
The zero-based index of the first row in the new data frame.
endRow
Type: SystemInt32
The (inclusive) index of the last row in the new data frame.
stride
Type: SystemInt32
The increment for the row index in the original data frame corresponding to an increment of one in the row index of the new data frame.

Type Parameters

R1
The element type of the row index.

Return Value

Type: DataFrameR1, C
A new data frame.
Exceptions

ExceptionCondition
ArgumentOutOfRangeException

startRow is less than zero or greater than or equal to the number of rows.

-or-

endRow or endRow is less than zero or greater than or equal to the number of rows.

Version Information

Numerical Libraries

Supported in: 6.0
See Also

Reference

DataFrameR, C Class
SelectRows Overload
Extreme.DataAnalysis Namespace

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