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Rick Aster: Professional SAS Programming Shortcuts: Contents
PROC SORT DATA=WORK.INCOMPLETE; BY X; RUN; DATA WORK.ALLKEY (KEEP=X); DO POINT = 1, NOBS; SET WORK.INCOMPLETE POINT=POINT NOBS=NOBS; IF POINT = 1 THEN MIN = X; IF POINT = NOBS THEN MAX = X; END; DO X = CEIL(MIN) TO MAX; OUTPUT; END; STOP; RUN;