Hello,
I have :
group cat
1 1
1 1
1 2
1 2
2 1
2 1
2 2
3 1
3 2
I want to label "cat" in this way : I want to
label cat=1 by "A" if group=1 and by "B" if cat has the
same value (cat=1) but if group=2.
How can I do it,
Thanks,
Patricia
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