我想对demog1-demog23都输入n进行初始化。为什么fail了呢??
data dem;
array demog{23} $ demog1-demog23;
input house_id $ individual_id $ weight $ viewer_type $
sample_type $ demog $;
datalines;
n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n
;
run;
报错:
ERROR: Illegal reference to the array demog.ERROR: Illegal variable type for I/O statement.