proc means data=one;
var stkcd;
output out=nobs
N=nobs;
run;
运行后错误提示:
495 proc means data=one;
496 var stkcd;
ERROR: Variable STKCD in list does not match type prescribed for this list.
497 output out=nobs
498 N=nobs;
499
500
附件为数据one的结构