Let's say a company will give some coupons to their member, the member ID is shown as follows. there are 10 levels of membership, For ID starting with A,B,C, the index is 1 E,F,G, the index is 2. The numbers of coupon the member can get = 2 X index ..... ..... A123 A124 B135 C134 D134 ... Letter Index A,B,C 1 D,E,F 2 G,H,I 3 J,K 4 L,M,N 5 O,P,Q 6 R,S,T 7 U,V 8 W,X 9 Y,Z 10 How can i use SAS array to do above question? Array index[ ] Thank you so much.
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