https://communities.sas.com/t5/Statistical-Procedures/SAS-code-to-calculate-effect-size-for-wilcoxon-test/m-p/737124#M35802 PROC NPAR1WAY Mon, 26 Apr 2021 21:57:07 GMT Reeza 2021-04-26T21:57:07Z https://communities.sas.com/t5/Statistical-Procedures/SAS-code-to-calculate-effect-size-for-wilcoxon-test/m-p/737115#M35800 <P>Please, I need help with SAS code to calculate effect size for wilcoxon test.&nbsp;</P> <P>Thank you.</P> Mon, 26 Apr 2021 21:01:35 GMT https://communities.sas.com/t5/Statistical-Procedures/SAS-code-to-calculate-effect-size-for-wilcoxon-test/m-p/737115#M35800 UcheOkoro 2021-04-26T21:01:35Z https://communities.sas.com/t5/Statistical-Procedures/SAS-code-to-calculate-effect-size-for-wilcoxon-test/m-p/737124#M35802 PROC NPAR1WAY Mon, 26 Apr 2021 21:57:07 GMT https://communities.sas.com/t5/Statistical-Procedures/SAS-code-to-calculate-effect-size-for-wilcoxon-test/m-p/737124#M35802 Reeza 2021-04-26T21:57:07Z https://communities.sas.com/t5/Statistical-Procedures/SAS-code-to-calculate-effect-size-for-wilcoxon-test/m-p/737126#M35803 <P>Thank you for your response. I am looking for the standardized difference. A non parametric equivalent of the Cohen's d.</P> Mon, 26 Apr 2021 22:12:13 GMT https://communities.sas.com/t5/Statistical-Procedures/SAS-code-to-calculate-effect-size-for-wilcoxon-test/m-p/737126#M35803 UcheOkoro 2021-04-26T22:12:13Z https://communities.sas.com/t5/Statistical-Procedures/SAS-code-to-calculate-effect-size-for-wilcoxon-test/m-p/737127#M35804 I believe that's the Z / # of pairs. You can get the Z from the PROC NPAR1WAY but need to do the rest of the math yourself from what I can see. Mon, 26 Apr 2021 22:20:23 GMT https://communities.sas.com/t5/Statistical-Procedures/SAS-code-to-calculate-effect-size-for-wilcoxon-test/m-p/737127#M35804 Reeza 2021-04-26T22:20:23Z https://communities.sas.com/t5/Statistical-Procedures/SAS-code-to-calculate-effect-size-for-wilcoxon-test/m-p/737128#M35805 So for this output it is -6.1354/2? How do I interprete this?<BR /><BR />[cid:image001.png@01D73AC1.0F9E7120]<BR /> Mon, 26 Apr 2021 22:25:56 GMT https://communities.sas.com/t5/Statistical-Procedures/SAS-code-to-calculate-effect-size-for-wilcoxon-test/m-p/737128#M35805 UcheOkoro 2021-04-26T22:25:56Z https://communities.sas.com/t5/Statistical-Procedures/SAS-code-to-calculate-effect-size-for-wilcoxon-test/m-p/737129#M35806 No image and sorry, no idea. I know how to do the calculation. N=2 wouldn't be enough for Wilcoxon test though - that's too small for any statistical test isn't it? Mon, 26 Apr 2021 22:30:48 GMT https://communities.sas.com/t5/Statistical-Procedures/SAS-code-to-calculate-effect-size-for-wilcoxon-test/m-p/737129#M35806 Reeza 2021-04-26T22:30:48Z