MannWhitneyDistribution Constructor (Double, Int32, Int32, NullableBoolean)

Constructs a Mann-Whitney's U-statistic distribution.

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

Syntax

Copy

public MannWhitneyDistribution(
	double[] ranks,
	[PositiveIntegerAttribute(1, 2147483647)] int n1,
	[PositiveIntegerAttribute(1, 2147483647)] int n2,
	Nullable<bool> exact = null
)

Public Sub New ( 
	ranks As Double(),
	<PositiveIntegerAttribute(1, 2147483647)> n1 As Integer,
	<PositiveIntegerAttribute(1, 2147483647)> n2 As Integer,
	Optional exact As Nullable(Of Boolean) = Nothing
)

Request Example View Source

Parameters

ranks: Type: SystemDouble
The rank statistics.
n1: Type: SystemInt32
The number of observations in the first sample.
n2: Type: SystemInt32
The number of observations in the second sample.
exact (Optional): Type: SystemNullableBoolean
True to compute the exact distribution. May require a significant amount of processing power for large samples (n > 30). If left at null, whether to compute the exact or approximate distribution will depend on the number of samples.

Reference

MannWhitneyDistribution Class

MannWhitneyDistribution Overload

Accord.Statistics.Distributions.Univariate Namespace