NO it doesn't, I keep getting blanks.
data table1;
input ID Var1 Var2;
cards;
1 1 1
1 2 2
1 3 3
2 1 1
2 2 2
3 1 1
3 2 2
3 3 3
3 4 4
;
run;
data table2;
input ID VarA $;
cards;
1 x
2 u
3 h
;
run;
data table3;
merge table1 table2;
by ID;
run;
proc print;run;
gets this output:
Obs | ID | Var1 | Var2 | VarA |
1 | 1 | 1 | 1 | x |
2 | 1 | 2 | 2 | x |
3 | 1 | 3 | 3 | x |
4 | 2 | 1 | 1 | u |
5 | 2 | 2 | 2 | u |
6 | 3 | 1 | 1 | h |
7 | 3 | 2 | 2 | h |
8 | 3 | 3 | 3 | h |
9 | 3 | 4 | 4 | h |
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