请教大牛，如何在Macro中再嵌套一个Macro？

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/*请教大牛，如何在Macro中再嵌套一个Macro？*/

%macro test;%do i=2006 %to 2013;

data year&i.;set grade;

run;

   %macro pct(point);

      proc univariate data=year&i.;

        var grade;

        output out=pct pctlpts=&point pctlpre=p;

   run;

  proc print data=pct;

   run;

   %mend pct;

   %pct(10 20 30 40 50 60 70 80 90 100);

proc sql;create table &i. as select distinct

*

from

year&i.,pct;

quit;

data t&i.;set t1;

if grade<p10 then high=1;

else ifp10<=grade<p20 then high=2;

else ifp20<=grade<p30 then high=3;

else ifp30<=grade<p40 then high=4;

else ifp40<=grade<p50 then high=5;

else ifp50<=grade<p60 then high=6;

else ifp60<=grade<p70 then high=7;

else ifp70<=grade<p80 then high=8;

else ifp80<=grade<p90 then high=9;

else ifp90<=grade then high=10;

if grade=. then high=.;

run;

%end;%mend;%test;

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关键词：Macro acr CRO Mac Univariate