sas中如何按照2个分类变量对多变量求统计值（包括均值、中位数）?例如,如何按照年龄和性别分类,求收入、消费的均值和中位数.求编程代码.如果使用proc tabulate data=...关键是后面
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Options Ls=Max Nocenter;
Proc Tabulate Data=Sashelp.Class ;
Class Sex Age;
Var Height Weight;
Table Age,Sex*(Weight Height)*(P50=Median Mean=Average )/Rts=5;
Run;****以下为Summary (或者Mean)方法,必须会;
Proc Summary Data=Sashelp.Class Nway;
Class Sex Age;
Var Height Weight;
Output Out=A(Drop=_:) Mean= P50=/Autoname;
Run;Proc Print Data=A;
Run;