2.1.24.2.5 ocmath_one_sample_wilcoxon

Description

Performs the Wilcoxon signed rank test on a single sample. To test a particular sample came from a popular with a specified median. The main engine is nag_wilcon_test. This is an OriginPro only function.

Syntax

int ocmath_one_sample_wilcoxon( const double * pData, const int nSize, const double dMedian, const int nTailType, NPHSummary * Wilco1Summary, NPHStats * Wilco1Stats )

Parameters

pData

[input] pointer to data points for Wilcoxon Sign Rank test

nSize

[input] number of pData

dMedian

[input] median test value

nTailType

[input] value indicates Tail Type. which containing 3 types:

TAILED_TEST_TWO is 0,

TAILED_TEST_UPPER is 1,

TAILED_TEST_LOWER is 2

Wilco1Summary

[output] structure containing summary statistics of the data

Wilco1Stats

[output] pointer to structure containing the test statistic and p-value

Return

Returns STATS_NO_ERROR on successful exit or an STATS error code on failure.

Examples

EX1

void ocmath_one_sample_wilcoxon_ex1()
{
    vector pData = {1.0, 2.3, 4.5, 2.0, 5.3};
    int nSize = pData.GetSize();
    double dMedian = 3;
    int nTailType = TAILED_TEST_TWO;
    NPHSummary Wilco1Summary;
    NPHStats Wilco1Stats;
    
    int nRet = ocmath_one_sample_wilcoxon(pData, nSize, dMedian, nTailType, &Wilco1Summary, &Wilco1Stats );
    out_int("nRet=", nRet);
}

Remark

See Also

Header to Included

origin.h

Reference