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.



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