Mat*_*ías 2 macros loops character sas
在Stata中,可以使用foreach命令遍历字符值列表。到目前为止,我一直在尝试在SAS中执行相同的操作,但无济于事。我正在尝试对character column的所有值运行一系列数据和proc语句。我尝试了以下方法:
%let mylist = a b c; * These are all the values of a column called "code";
data mydata_@mylist; * Each element creates a new table;
set mydata;
where code=&mylist;
run;
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我在做什么错还是想念?
提前致谢,
马蒂亚斯
尝试这个:
%macro loopit(mylist);
%let n = %sysfunc(countw(&mylist));
%do I=1 %to &n;
%let val = %scan(&mylist,&I);
data mydata_&val;
set mydata;
where code = "&val";
run;
%end;
%mend;
%let list=a b c;
%loopit(&list);
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