StatisticTest Class Reference

Abstract base class for statistic tests. More...

#include <StatisticTest.h>

Inheritance diagram for StatisticTest:

List of all members.

Public Types
enum	Tail { Left = 0, Right = 1, Both = 2 }
enum	TestType { StudentTest = 0, NormalityTest = 1, ChiSquareTest = 2, AnovaTest = 3 }
Public Member Functions
virtual double	lcl (double)
	Lower Confidence Limit.
virtual QString	logInfo ()
virtual void	outputResultsTo (Table *)
virtual double	pValue ()
virtual Table *	resultTable (const QString &name=QString())
	Returns a pointer to the table created to display the results.
void	setSignificanceLevel (double s)
void	setTail (const Tail &tail)
void	setTestValue (double val)
void	showDescriptiveStatistics (bool show=true)
virtual double	statistic ()
	StatisticTest (ApplicationWindow *parent, double testValue=0.0, double level=0.05, const QString &sample=QString())
virtual double	ucl (double)
	Upper Confidence Limit.
Protected Attributes
bool	d_descriptive_statistics
double	d_significance_level
int	d_tail
double	d_test_val

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Detailed Description

Abstract base class for statistic tests.

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Member Enumeration Documentation

enum StatisticTest::Tail

Enumerator:

Left
Right
Both

enum StatisticTest::TestType

Enumerator:

StudentTest
NormalityTest
ChiSquareTest
AnovaTest

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Constructor & Destructor Documentation

StatisticTest::StatisticTest	(	ApplicationWindow *	parent,
		double	testValue = 0.0,
		double	level = 0.05,
		const QString &	sample = QString()
	)

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Member Function Documentation

virtual double StatisticTest::lcl

(

double

)

[inline, virtual]

Lower Confidence Limit.

Reimplemented in tTest, and ChiSquareTest.

virtual QString StatisticTest::logInfo

(

)

[inline, virtual]

Reimplemented in Anova, tTest, ShapiroWilkTest, and ChiSquareTest.

void StatisticTest::outputResultsTo

(

Table *

t

)

[virtual]

Reimplemented in Anova.

References Statistics::d_mean, Statistics::d_n, Statistics::d_sd, Statistics::d_se, Statistics::d_variance, Statistics::dof(), Table::numCols(), Table::numRows(), pValue(), Statistics::sampleName(), Table::setCell(), Table::setColumnType(), Table::setNumCols(), Table::setNumRows(), Table::setText(), statistic(), Table::table(), and Table::Text.

Referenced by StudentTestDialog::outputResults(), and AnovaDialog::outputResults().

virtual double StatisticTest::pValue

(

)

[inline, virtual]

Reimplemented in Anova, tTest, ChiSquareTest, and ShapiroWilkTest.

Referenced by outputResultsTo(), and resultTable().

Table * StatisticTest::resultTable

(

const QString &

name = QString()

)

[virtual]

Returns a pointer to the table created to display the results.

Reimplemented in Anova.

References Statistics::d_mean, Statistics::d_n, Statistics::d_sd, Statistics::d_se, Statistics::d_variance, Statistics::dof(), ApplicationWindow::newTable(), Table::numCols(), pValue(), Statistics::sampleName(), Table::setCell(), Table::setColumnType(), Table::setHeader(), Table::setText(), statistic(), Table::table(), and Table::Text.

Referenced by StudentTestDialog::outputResults(), and AnovaDialog::outputResults().

void StatisticTest::setSignificanceLevel

(

double

s

)

[inline]

References d_significance_level.

Referenced by AnovaDialog::acceptNormalityTest().

void StatisticTest::setTail

(

const Tail &

tail

)

[inline]

References d_tail.

void StatisticTest::setTestValue

(

double

val

)

[inline]

References d_test_val.

void StatisticTest::showDescriptiveStatistics

(

bool

show = true

)

[inline]

References d_descriptive_statistics.

virtual double StatisticTest::statistic

(

)

[inline, virtual]

Reimplemented in Anova, tTest, ChiSquareTest, and ShapiroWilkTest.

Referenced by outputResultsTo(), and resultTable().

virtual double StatisticTest::ucl

(

double

)

[inline, virtual]

Upper Confidence Limit.

Reimplemented in tTest, and ChiSquareTest.

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Member Data Documentation

bool StatisticTest::d_descriptive_statistics [protected]

Referenced by ChiSquareTest::logInfo(), tTest::logInfo(), Anova::logInfo(), and showDescriptiveStatistics().

double StatisticTest::d_significance_level [protected]

Referenced by ShapiroWilkTest::infoString(), ChiSquareTest::logInfo(), tTest::logInfo(), Anova::logInfo(), and setSignificanceLevel().

int StatisticTest::d_tail [protected]

Referenced by ChiSquareTest::logInfo(), tTest::logInfo(), tTest::power(), ChiSquareTest::pValue(), tTest::pValue(), and setTail().

double StatisticTest::d_test_val [protected]

Referenced by ChiSquareTest::chiSquare(), ChiSquareTest::logInfo(), tTest::logInfo(), setTestValue(), and tTest::t().

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

• qtiplot/src/analysis/StatisticTest.h
• qtiplot/src/analysis/StatisticTest.cpp