Hello, I am using SAS and the "proc npar1way" procedure to compare two groups. Using the code below, I was able to generate results, but in some cases, the Hodges-Lehmann estimate is displayed, while in others it is not. Why does this happen?   proc npar1way data=A wilcoxon hl; class Group; var Value; run;   ... View more

hello. I am a SAS beginner. I have an experimental group, and I need to build a control group. A control group must be created by matching control group subjects 1:1 based on two variables: age and sex of the experimental group. Matching should be done using only those two variables, not the propensity score. Should I use proc psmatch or inner join? I would appreciate it if you could provide detailed code. ... View more