I've been trying to reshape this database but haven't succeed at it. I
tried using loops but can't get it right. I just want to reshape my
database from this matrix, to the one below, with only one column of data.
Year Route Point Sp1 Sp2 Sp3 2004 123 123-1 0 1 0 2004 123 123-2 0 1 1
2004 123 123-10 1 1 0 Year Route Point 2004 123 123-1 Sp1 0 2004 123
123-2 Sp1 0 2004 123 123-10 Sp1 1 2004 123 123-1 Sp2 1 2004 123 123-2 Sp2
1 2004 123 123-10 Sp2 1 2004 123 123-1 Sp3 0 2004 123 123-2 Sp3 1 2004
123 123-10 Sp3 0
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