TwoSampleTTest Constructor (Double, Double, Boolean, Double, TwoSampleHypothesis)

Tests whether the means of two samples are different.

Namespace: Accord.Statistics.Testing
Assembly: Accord.Statistics (in Accord.Statistics.dll) Version: 3.8.0

Syntax

public TwoSampleTTest(
	double[] sample1,
	double[] sample2,
	bool assumeEqualVariances = true,
	double hypothesizedDifference = 0,
	TwoSampleHypothesis alternate = TwoSampleHypothesis.ValuesAreDifferent
)

Public Sub New ( 
	sample1 As Double(),
	sample2 As Double(),
	Optional assumeEqualVariances As Boolean = true,
	Optional hypothesizedDifference As Double = 0,
	Optional alternate As TwoSampleHypothesis = TwoSampleHypothesis.ValuesAreDifferent
)

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Parameters

sample1: Type: SystemDouble
The first sample.
sample2: Type: SystemDouble
The second sample.
assumeEqualVariances (Optional): Type: SystemBoolean
True to assume equal variances, false otherwise. Default is true.
hypothesizedDifference (Optional): Type: SystemDouble
The hypothesized sample difference.
alternate (Optional): Type: Accord.Statistics.TestingTwoSampleHypothesis
The alternative hypothesis (research hypothesis) to test.

Reference

TwoSampleTTest Class

TwoSampleTTest Overload

Accord.Statistics.Testing Namespace