试试下面的代码
PROC SQL;
SELECT year, dadtunit, SUM(dcost)
FROM work.audit6
GROUP BY year,dadtunit
ORDER BY year,dadtunit;
QUIT;
或者
PROC SUMMARY DATA=work.audit6 NWAY;
CLASS year,dadtunit;
VAR dcost;
OUTPUT OUT=want(DROP=_:) N= SUM=sum_dcost;
RUN;
PROC PRINT DATA=want;
RUN;