data mrgawd;
merge x1 (in=a DROP=xx RENAME=(xxx_id=xxid)) x2 (in=b);
by xxxid;
run
My Statistical tools and consulting service
Statsitics, Research Methods, SAS, R, HLM, Rasch model
data mrgawd;
merge x1 (in=a DROP=xx RENAME=(xxx_id=xxid)) x2 (in=b);
by xxxid;
run