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Skip Navigation LinksHome»Documentation»Reference»Extreme.DataAnalysis»DataFrame(R, C) Class»Methods»Head Method

DataFrameR, CHead Method

Extreme Optimization Numerical Libraries for .NET Professional
Returns the first few rows of the data frame.

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

C#
VB
C++
F#
Copy
public DataFrame<R, C> Head(
	int count = 5
)
Public Function Head ( 
	Optional count As Integer = 5
) As DataFrame(Of R, C)
public:
DataFrame<R, C>^ Head(
	int count = 5
)
member Head : 
        ?count : int 
(* Defaults:
        let _count = defaultArg count 5
*)
-> DataFrame<'R, 'C> 

Parameters

count (Optional)
Type: SystemInt32
The number of rows to return.

Return Value

Type: DataFrameR, C
A new data frame containing the first count rows of the data frame.
Exceptions

ExceptionCondition
ArgumentOutOfRangeException

count is less than zero.

Remarks

If count is greater than or equal to the number of rows in the data frame, the data frame is returned unmodified.

See Also

Reference

DataFrameR, C Class
Extreme.DataAnalysis Namespace

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