id biom1 biom2
1 -0.319 0.274
2 0.486 0.048
3 -0.293 -0.662
4 -0.576 -2.205
5 -0.497 -0.955
6 2.879 0.62
7 0.494 1.28
8 0.246 -0.055
9 -2.149 -1.925
10 1.244 -1.772
