5、4;table_COL22,(_COL4_COL5)*(meanmaxmin);run;table_COL22all,(_COL4_COL5)*(meanmaxmin);加个ALL,有求和,图2.也可写为例如table(_COL22all)*(_COL4)*(mean);如图也可加标签table(sexall),(mathchinese)*(meanstd);
keylabelmean='平均值'std='标准差'all='总计';
labelsex='性别'math='数学'chinese='语文';
run