https://communities.sas.com/t5/Statistical-Procedures/How-to-compare-the-means-between-groups-where-one-group-has/m-p/456130#M23806 <P>You can always add weights of 1 to your data so you can treat them the same. That being said, I can't recall if NHANES uses a single weight or reps.&nbsp;</P> Sat, 21 Apr 2018 01:42:21 GMT Reeza 2018-04-21T01:42:21Z https://communities.sas.com/t5/Statistical-Procedures/How-to-compare-the-means-between-groups-where-one-group-has/m-p/456119#M23805 <P>I am performing an analysis comparing my data against an NHANES dataset.<BR /><BR />I am interested in testing the difference in means between the two groups, stratified by two variables (gender and age).</P><P>My data is heavily right skewed, so I will need to use a non parametric approach.</P><P>&nbsp;</P><P>However, my own data is not weighted, but NHANES's data is.&nbsp;</P><P><BR /><BR />How best would I go about performing this comparison?<BR />Would I still be able to use proc surveyfreq or proc surveymeans?</P> Fri, 20 Apr 2018 23:55:07 GMT https://communities.sas.com/t5/Statistical-Procedures/How-to-compare-the-means-between-groups-where-one-group-has/m-p/456119#M23805 zhou12a 2018-04-20T23:55:07Z https://communities.sas.com/t5/Statistical-Procedures/How-to-compare-the-means-between-groups-where-one-group-has/m-p/456130#M23806 <P>You can always add weights of 1 to your data so you can treat them the same. That being said, I can't recall if NHANES uses a single weight or reps.&nbsp;</P> Sat, 21 Apr 2018 01:42:21 GMT https://communities.sas.com/t5/Statistical-Procedures/How-to-compare-the-means-between-groups-where-one-group-has/m-p/456130#M23806 Reeza 2018-04-21T01:42:21Z