Student's t-Test. More...
#include <tTest.h>
Public Member Functions | |
| int | dof () |
| Returns the degrees of freedom. More... | |
| double | lcl (double confidenceLevel) |
| Lower Confidence Limit. More... | |
| virtual QString | logInfo () |
| double | power (double alpha, int size=0) |
| double | pValue () |
| bool | setSample1 (const QString &colName) |
| bool | setSample2 (const QString &colName, bool paired=false) |
| double | statistic () |
| double | t () |
| tTest (ApplicationWindow *parent, double testValue, double level, const QString &sample1=QString(), const QString &sample2=QString(), bool paired=false) | |
| double | ucl (double confidenceLevel) |
| Upper Confidence Limit. More... | |
 Public Member Functions inherited from StatisticTest | |
| virtual void | outputResultsTo (Table *) |
| virtual Table * | resultTable (const QString &name=QString()) |
| Returns a pointer to the table created to display the results. More... | |
| void | setSignificanceLevel (double s) |
| void | setTail (const Tail &tail) |
| void | setTestValue (double val) |
| void | showDescriptiveStatistics (bool show=true) |
| StatisticTest (ApplicationWindow *parent, double testValue=0.0, double level=0.05, const QString &sample=QString()) | |
| Public Member Functions inherited from Statistics | |
| double * | data () |
| Returns the y values of the input data set. More... | |
| unsigned int | dataSize () |
| Returns the size of the input data set. More... | |
| QString | logInfo (bool header=true) |
| double | mean () |
| virtual bool | run () |
| Actually does the job. Should be reimplemented in derived classes. More... | |
| QString | sampleName () |
| bool | setData (const QString &) |
| void | showResultsLog (bool show=true) |
| double | standardDeviation () |
| double | standardError () |
| Statistics (ApplicationWindow *parent, const QString &name=QString()) | |
| double | variance () |
| ~Statistics () | |
Protected Member Functions | |
| void | freeMemory () |
| Frees the memory allocated for the X and Y data sets. More... | |
| double | t (int size) |
| Protected Member Functions inherited from Statistics | |
| void | memoryErrorMessage () |
Protected Attributes | |
| double | d_diff |
| bool | d_independent_test |
| double | d_s12 |
| Statistics * | d_sample2 |
| Protected Attributes inherited from StatisticTest | |
| bool | d_descriptive_statistics |
| double | d_significance_level |
| int | d_tail |
| double | d_test_val |
| Protected Attributes inherited from Statistics | |
| QString | d_col_name |
| The name of the source data set. More... | |
| double * | d_data |
| y data set to be analysed More... | |
| double | d_mean |
| unsigned int | d_n |
| The size of the data set to be analyzed. More... | |
| bool | d_result_log |
| Flag specifying if the results should be displayed in the results log. More... | |
| double | d_sd |
| double | d_se |
| Table * | d_table |
| A table source of data. More... | |
| double | d_variance |
Additional Inherited Members | |
| Public Types inherited from StatisticTest | |
| enum | Tail { Left = 0, Right = 1, Both = 2 } |
| enum | TestType { StudentTest = 0, NormalityTest = 1, ChiSquareTest = 2, AnovaTest = 3 } |
Detailed Description
Student's t-Test.
Constructor & Destructor Documentation
| tTest::tTest | ( | ApplicationWindow * | parent, |
| double | testValue, | ||
| double | level, | ||
| const QString & | sample1 = QString(), |
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| const QString & | sample2 = QString(), |
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| bool | paired = false |
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| ) |
References setSample2().
Member Function Documentation
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virtual |
Returns the degrees of freedom.
Reimplemented from Statistics.
References d_independent_test, Statistics::d_n, d_sample2, and Statistics::dataSize().
Referenced by lcl(), logInfo(), power(), pValue(), and ucl().
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protectedvirtual |
Frees the memory allocated for the X and Y data sets.
Reimplemented from Statistics.
References d_sample2, and Statistics::freeMemory().
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virtual |
Lower Confidence Limit.
Reimplemented from StatisticTest.
References d_diff, Statistics::d_mean, Statistics::d_n, d_s12, d_sample2, Statistics::d_se, and dof().
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virtual |
Reimplemented from StatisticTest.
References StatisticTest::Both, ApplicationWindow::d_decimal_digits, StatisticTest::d_descriptive_statistics, d_diff, d_independent_test, d_sample2, StatisticTest::d_significance_level, Statistics::d_table, StatisticTest::d_tail, StatisticTest::d_test_val, dof(), StatisticTest::Left, Statistics::logInfo(), pValue(), StatisticTest::Right, and t().
| double tTest::power | ( | double | alpha, |
| int | size = 0 |
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| ) |
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virtual |
Reimplemented from StatisticTest.
References StatisticTest::Both, Statistics::d_n, StatisticTest::d_tail, dof(), StatisticTest::Left, StatisticTest::Right, and t().
Referenced by logInfo().
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inline |
References Statistics::setData().
| bool tTest::setSample2 | ( | const QString & | colName, |
| bool | paired = false |
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| ) |
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inlinevirtual |
Reimplemented from StatisticTest.
References t().
| double tTest::t | ( | ) |
References d_diff, Statistics::d_mean, Statistics::d_n, d_s12, d_sample2, Statistics::d_sd, and StatisticTest::d_test_val.
Referenced by logInfo(), power(), pValue(), and statistic().
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protected |
References Statistics::d_mean, Statistics::d_sd, and StatisticTest::d_test_val.
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virtual |
Upper Confidence Limit.
Reimplemented from StatisticTest.
References d_diff, Statistics::d_mean, Statistics::d_n, d_s12, d_sample2, Statistics::d_se, and dof().
Member Data Documentation
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protected |
Referenced by lcl(), logInfo(), setSample2(), t(), and ucl().
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protected |
Referenced by dof(), logInfo(), power(), and setSample2().
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protected |
Referenced by lcl(), setSample2(), t(), and ucl().
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protected |
Referenced by dof(), freeMemory(), lcl(), logInfo(), power(), setSample2(), t(), and ucl().
The documentation for this class was generated from the following files:
