- data aaa;
- attrib x1 label='group';
- attrib x2 label='sex';
- attrib a label='age';
- attrib b label='weight';
- input x1 x2 a b@@;
- cards;
- 1 2 23 60
- ;
- %macro a(vars=x1 x2 x1*b x1*x2 b);
- data bbb;
- if 0 then set aaa;
- do k=1 to countw("&vars", " ");
- length variable $ 32 vlabel $ 255;
- variable = scan("&vars", k, ' ');
- vlabel = ' ';
- do _n_=1 to countw(variable, '*');
- vlabel = catx('×', vlabel, vlabelx(scan(variable,_n_,'*')));
- end;
- output;
- end;
- stop;
- keep k variable vlabel;
- run;
- %mend;
- %a;


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