This documentation is archived and is not being maintained.

StatisticFormula::FTest Method

The F-test formula performs a two-sample F-test using F distribution, and is used to see if the samples have different variances.

Namespace:  System.Web.UI.DataVisualization.Charting
Assembly:  System.Web.DataVisualization (in System.Web.DataVisualization.dll)

public:
FTestResult^ FTest(
	double probability, 
	String^ firstInputSeriesName, 
	String^ secondInputSeriesName
)

Parameters

probability
Type: System::Double
The alpha value. The acceptable range is between 0 and 1.
firstInputSeriesName
Type: System::String
Name of the Series object that stores the first group's data.
secondInputSeriesName
Type: System::String
Name of the Series object that stores the second group's data.

The method throws an exception if the input series do not have the same number of data points.

The following code demonstrates how to use this formula.

No code example is currently available or this language may not be supported.

.NET Framework

Supported in: 4

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.
Show: