a   b   i x                  y
eks pan 2 0.7586799647899636 0.5221511083334797
wye pan 5 0.5732889198020006 0.8636244699032729
zee pan 6 0.5271261600918548 0.49322128674835697
eks zee 7 0.6117840605678454 0.1878849191181694
zee wye 8 0.5985540091064224 0.976181385699006
