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vaishak123
‎05-04-2017
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Re: Finding difference in means using Mann Whitney Test (Weighted data...

by Calcite | Level 5 in Statistical Procedures
‎05-04-2017 07:17 PM
‎05-04-2017 07:17 PM
Actually, I am using a non-parametric test after doing a case control matching. My case control matching is 1:N in nature, and hence I get weights for each control and case observation. Now, having this information, do you think if I include my matching weights in FREQ option, it would suffice? ... View more

Finding difference in means using Mann Whitney Test (Weighted data)

by Calcite | Level 5 in Statistical Procedures
‎05-04-2017 07:07 PM
‎05-04-2017 07:07 PM
I am trying to find the difference in means in my two samples. The distribution is not normal hence I have to resort to Mann Whitney test. Now, the data is weighted. In proc t-test, there is an option of mentioning weight in the command, like this:   proc ttest data=input; var variable_x; class variable_y; weight weight; run    Is there a similar thing for  Mann Whitney test in npar1way procedure? Thanks! ... View more
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