C# Class Accord.Statistics.Testing.Power.ZTestPowerAnalysis

Inheritance: BaseOneSamplePowerAnalysis

Exibir arquivo Open project: accord-net/framework Class Usage Examples

Public Methods

Method	Description
ComputeEffect ( ) : void	Computes the minimum detectable effect size for the test considering the power given in IPowerAnalysis.Power, the number of samples in IPowerAnalysis.Samples and the significance level IPowerAnalysis.Size.
ComputePower ( ) : void	Computes the power for a test with givens values of effect size and number of samples under IPowerAnalysis.Size.
ComputeSamples ( ) : void	Gets the recommended sample size for the test to attain the power indicating in IPowerAnalysis.Power considering values of IPowerAnalysis.Effect and IPowerAnalysis.Size.
GetEffectSize ( int sampleSize, double power = 0.8, double alpha = 0.05, OneSampleHypothesis hypothesis = OneSampleHypothesis.ValueIsDifferentFromHypothesis ) : ZTestPowerAnalysis	Estimates the number of samples necessary to attain the required power level for the given effect size.
GetSampleSize ( double delta, double standardDeviation = 1, double power = 0.8, double alpha = 0.05, OneSampleHypothesis hypothesis = OneSampleHypothesis.ValueIsDifferentFromHypothesis ) : ZTestPowerAnalysis	Estimates the number of samples necessary to attain the required power level for the given effect size.
ZTestPowerAnalysis ( OneSampleHypothesis hypothesis ) : System	Creates a new ZTestPowerAnalysis.
ZTestPowerAnalysis ( TwoSampleZTest test ) : System	Creates a new ZTestPowerAnalysis.

Method Details

ComputeEffect() public method

Computes the minimum detectable effect size for the test considering the power given in IPowerAnalysis.Power, the number of samples in IPowerAnalysis.Samples and the significance level IPowerAnalysis.Size.

public ComputeEffect ( ) : void
return	void

ComputePower() public method

Computes the power for a test with givens values of effect size and number of samples under IPowerAnalysis.Size.

public ComputePower ( ) : void
return	void

ComputeSamples() public method

Gets the recommended sample size for the test to attain the power indicating in IPowerAnalysis.Power considering values of IPowerAnalysis.Effect and IPowerAnalysis.Size.

public ComputeSamples ( ) : void
return	void

GetEffectSize() public static method

Estimates the number of samples necessary to attain the required power level for the given effect size.

public static GetEffectSize ( int sampleSize, double power = 0.8, double alpha = 0.05, OneSampleHypothesis hypothesis = OneSampleHypothesis.ValueIsDifferentFromHypothesis ) : ZTestPowerAnalysis
sampleSize	int	The number of observations in the sample.
power	double	The desired power level. Default is 0.8.
alpha	double	The desired significance level. Default is 0.05.
hypothesis	OneSampleHypothesis	The alternative hypothesis (research hypothesis) to be tested.
return	ZTestPowerAnalysis

GetSampleSize() public static method

Estimates the number of samples necessary to attain the required power level for the given effect size.

public static GetSampleSize ( double delta, double standardDeviation = 1, double power = 0.8, double alpha = 0.05, OneSampleHypothesis hypothesis = OneSampleHypothesis.ValueIsDifferentFromHypothesis ) : ZTestPowerAnalysis
delta	double	The minimum detectable difference.
standardDeviation	double	The difference standard deviation.
power	double	The desired power level. Default is 0.8.
alpha	double	The desired significance level. Default is 0.05.
hypothesis	OneSampleHypothesis	The alternative hypothesis (research hypothesis) to be tested.
return	ZTestPowerAnalysis

ZTestPowerAnalysis() public method

Creates a new ZTestPowerAnalysis.

public ZTestPowerAnalysis ( OneSampleHypothesis hypothesis ) : System
hypothesis	OneSampleHypothesis	The hypothesis tested.
return	System

ZTestPowerAnalysis() public method

Creates a new ZTestPowerAnalysis.

public ZTestPowerAnalysis ( TwoSampleZTest test ) : System
test	TwoSampleZTest	The test to create the analysis for.
return	System