You are read data for a 4 question poll (Q1-Q4) is an arrary ($1. is the f

data voter;
input Age Party : $1. (Ques1-Ques4)($1. + 1);
datalines;
23 D 1 1 2 2
45 R 5 5 4 1
67 D 2 4 3 3
39 R 4 4 4 4
19 D 2 1 2 1
75 D 3 3 2 3
57 R 4 3 4 4
;

Idont understand what the (Ques1-Ques4)($1. + 1) means.

I have seen (Ques1-Ques4)(4*$1.), but what is
(Ques1-Ques4)($1. + 1)?

Appreciate all help

Thanks

Question Posted / nbohr02

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Answer Posted / nbohr02

You are read data for a 4 question poll
(Q1-Q4) is an arrary ($1. is the format of each element
+1) tells sas to increment the array index for each line.

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