Hi, I am doing the match 1:1 but I have an issue with this part. Can you help me? %include 'gmatch.sas'; %gmatch( data = out_ps, group = old, id = id, mvars = logit_ps, wts = 1, dist = 1, dmaxk = &stdcal, ncontls = 1, seedca = 25102007, seedco = 26102007, out = matchpairs, print = F );
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