SAS统计一个表中的变量缺失值

不惧困难

1. proc format;
   
2. value $missfmt ' '='Missing' other='Not Missing';  /*一定要用空格*/
   
3. value  missfmt  . ='Missing' other='Not Missing';  
   
4. run;     
   
5. proc freq data=yourdata;   
   
6. format _CHAR_ $missfmt.;
   
7. tables _CHAR_ / missing missprint nocum nopercent;
   
8. format _NUMERIC_ missfmt.;
   
9. tables _NUMERIC_ / missing missprint nocum nopercent;
   
10. run;

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