Hi, I am writing my B.SC thesis and I have to do something in R, my data are
i index id x
1 1 1 0.2
2 2 1 0.4
3 3 1 0.3
4 1 2 0.5
5 2 2 0.3
6 3 2 0.1
7 1 3 0.2
8 2 3 0.1
9 3 3 0.4
and for the analysis they have to be as
i index id x
1 1 1 0.2
4 1 2 0.5
7 1 3 0.2
2 2 1 0.4
5 2 2 0.3
8 2 3 0.1
3 3 1 0.3
6 3 2 0.1
9 3 3 0.4
Thank you for your help!
Sandra
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