Question: DATA Q; INPUT Trt $ @@; DO Replication = 1 TO 4; INPUT Y @; END; CARDS; Trt1 23 27 19 21 Trt2 18 17

DATA Q; INPUT Trt $ @@; DO Replication = 1 TO 4; INPUT Y @; END; CARDS; Trt1 23 27 19 21 Trt2 18 17 20 15 Trt3 29 31 32 34

proc print; RUN;

If I run this in SAS, I obtain the following result:

Obs Trt Replication Y
1 Trt1 5 21
2 Trt2 5 15
3 Trt3 5 34

Could you give me a break down of how this result is obtained?

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