https://communities.sas.com/t5/Statistical-Procedures/r-sqaured-values-for-non-parametric-correlations/m-p/50861#M2242 Standard Deviations are not defined for non-parametric tests. SD's and r-squared statistics assume a normal distribution.<BR /> <BR /> If you are looking for a variability measure for the correlation, your best bet is to do a bootstrap on the correlation and quote the 25th and 75th percentiles.<BR /> <BR /> Doc Muhlbaier<BR /> Duke Thu, 02 Jul 2009 20:57:48 GMT Doc_Duke 2009-07-02T20:57:48Z https://communities.sas.com/t5/Statistical-Procedures/r-sqaured-values-for-non-parametric-correlations/m-p/50860#M2241 I am trying to generate r squared values, and their standard deviations or errors, for non-parametric correlations. Any ideas how to do this? Any help is greatly appreciated. Thu, 02 Jul 2009 13:13:23 GMT https://communities.sas.com/t5/Statistical-Procedures/r-sqaured-values-for-non-parametric-correlations/m-p/50860#M2241 deleted_user 2009-07-02T13:13:23Z https://communities.sas.com/t5/Statistical-Procedures/r-sqaured-values-for-non-parametric-correlations/m-p/50861#M2242 Standard Deviations are not defined for non-parametric tests. SD's and r-squared statistics assume a normal distribution.<BR /> <BR /> If you are looking for a variability measure for the correlation, your best bet is to do a bootstrap on the correlation and quote the 25th and 75th percentiles.<BR /> <BR /> Doc Muhlbaier<BR /> Duke Thu, 02 Jul 2009 20:57:48 GMT https://communities.sas.com/t5/Statistical-Procedures/r-sqaured-values-for-non-parametric-correlations/m-p/50861#M2242 Doc_Duke 2009-07-02T20:57:48Z