StephenAshley.Biostatistics.ZTest Class Reference

Data and methods for the performance of the z-Test. More...

List of all members.

Classes
struct	Fields
Public Member Functions
	ZTest ()
	Constructor for a ZTest object.
	ZTest (Int32 iSampleSize1, Int32 iSampleSize2, NUMBER decProportion1, NUMBER decProportion2)
	Constructor for a ZTest object from two sample sizes and two proportions.
Int32	N1 ()
	Returns the first sample size.
void	SetN1 (Int32 value)
	Sets the first sample size.
Int32	N2 ()
	Returns the second sample size.
void	SetN2 (Int32 value)
	Sets the second sample size.
NUMBER	P1 ()
	Returns the first proportion.
void	SetP1 (NUMBER value)
	Sets the value of the first proportion.
NUMBER	P2 ()
	Returns the second proportion.
void	SetP2 (NUMBER value)
	Sets the value of the second proportion.
NUMBER	ConfidenceLevelLowerLimit ()
	Returns the lower limit of the 95% confidence interval.
NUMBER	ConfidenceLevelUpperLimit ()
	Returns the upper limit of the 95% confidence interval.
NUMBER	Difference ()
	Returns the difference between the two proportions.
NUMBER	p ()
	Returns the statistic p associated with the associated value of Z.
NUMBER	PooledProportion ()
	Returns the pooled proportion for the associated values of N1, N2, P1, and P2.
NUMBER	StandardErrorOfDifference ()
	Returns the standard error of the difference for the associated values of N1, N2, P1, and P2.
NUMBER	Z ()
	Returns the z statistic for the associated values of N1, N2, P1, and P2.

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Detailed Description

Data and methods for the performance of the z-Test.

See generally Stanton A. Glantz, Primer of Biostatistics ch. 5 (6th ed. 2005);

Definition at line 11 of file ZTest.cs.

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Constructor & Destructor Documentation

StephenAshley.Biostatistics.ZTest.ZTest

(

)

Constructor for a ZTest object.

Definition at line 16 of file ZTest.cs.

StephenAshley.Biostatistics.ZTest.ZTest	(	Int32	iSampleSize1,
		Int32	iSampleSize2,
		NUMBER	decProportion1,
		NUMBER	decProportion2
	)

Constructor for a ZTest object from two sample sizes and two proportions.

Parameters:

	iSampleSize1	The first sample size.
	iSampleSize2	The second sample size.
	decProportion1	The first proportion.
	decProportion2	The second proportion

Definition at line 30 of file ZTest.cs.

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Member Function Documentation

NUMBER StephenAshley.Biostatistics.ZTest.ConfidenceLevelLowerLimit

(

)

Returns the lower limit of the 95% confidence interval.

Returns:

The limit.

Definition at line 132 of file ZTest.cs.

NUMBER StephenAshley.Biostatistics.ZTest.ConfidenceLevelUpperLimit

(

)

Returns the upper limit of the 95% confidence interval.

Definition at line 141 of file ZTest.cs.

NUMBER StephenAshley.Biostatistics.ZTest.Difference

(

)

Returns the difference between the two proportions.

Returns:

The difference.

Definition at line 150 of file ZTest.cs.

Int32 StephenAshley.Biostatistics.ZTest.N1

(

)

Returns the first sample size.

Returns:

The size.

Exceptions:

BiostatisticsException

N1 is less than 2.

Definition at line 48 of file ZTest.cs.

Int32 StephenAshley.Biostatistics.ZTest.N2

(

)

Returns the second sample size.

Returns:

The size.

Definition at line 68 of file ZTest.cs.

NUMBER StephenAshley.Biostatistics.ZTest.p

(

)

Returns the statistic p associated with the associated value of Z.

Returns:

p.

Definition at line 157 of file ZTest.cs.

NUMBER StephenAshley.Biostatistics.ZTest.P1

(

)

Returns the first proportion.

Returns:

The proportion.

Exceptions:

BiostatisticsException

P1 is less than 0.

Definition at line 91 of file ZTest.cs.

NUMBER StephenAshley.Biostatistics.ZTest.P2

(

)

Returns the second proportion.

Returns:

The proportion.

Definition at line 111 of file ZTest.cs.

NUMBER StephenAshley.Biostatistics.ZTest.PooledProportion

(

)

Returns the pooled proportion for the associated values of N1, N2, P1, and P2.

Returns:

The proportion.

Exceptions:

BiostatisticsException

N1 + N2 equals zero.

Definition at line 167 of file ZTest.cs.

void StephenAshley.Biostatistics.ZTest.SetN1

(

Int32

value

)

Sets the first sample size.

Parameters:

value

The size.

Exceptions:

BiostatisticsException

N1 is less than 2.

Definition at line 58 of file ZTest.cs.

void StephenAshley.Biostatistics.ZTest.SetN2

(

Int32

value

)

Sets the second sample size.

Parameters:

value

The size.

Exceptions:

BiostatisticsException

N2 is less than 2.

Definition at line 79 of file ZTest.cs.

void StephenAshley.Biostatistics.ZTest.SetP1

(

NUMBER

value

)

Sets the value of the first proportion.

Parameters:

value

The value.

Exceptions:

BiostatisticsException

P1is less than 0.

Definition at line 101 of file ZTest.cs.

void StephenAshley.Biostatistics.ZTest.SetP2

(

NUMBER

value

)

Sets the value of the second proportion.

Parameters:

value

The value.

Exceptions:

BiostatisticsException

P2 is less than 0.

Definition at line 122 of file ZTest.cs.

NUMBER StephenAshley.Biostatistics.ZTest.StandardErrorOfDifference

(

)

Returns the standard error of the difference for the associated values of N1, N2, P1, and P2.

Returns:

The standard error.

Exceptions:

BiostatisticsException

N1 or N2 equals zero.

Definition at line 190 of file ZTest.cs.

NUMBER StephenAshley.Biostatistics.ZTest.Z

(

)

Returns the z statistic for the associated values of N1, N2, P1, and P2.

Definition at line 211 of file ZTest.cs.

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The documentation for this class was generated from the following file:

• C:/Documents and Settings/Stephen/Desktop/Biostatistics Library and Program/Biostatistics/ZTest.cs