Thank you. But I tried this method and it does not work. The ARRAY method you proposed takes the first observation from x1, x3, x5, x7, x9 and puts them in col1. Then it does the same for observation 2, etc. But this not stacking the columns. The order is important, and I want col1 to have all x1 values first, then all x3 values, x5, x7, x9 And the same for col 2: stacked values for x2 x4 x6 x8 x10
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