a   b   i  x          y          x_ewma_0.1 x_ewma_0.9 y_ewma_0.1 y_ewma_0.9
pan pan 1  0.34679014 0.72680286 0.34679014 0.34679014 0.72680286 0.72680286
eks pan 2  0.75867996 0.52215111 0.75867996 0.75867996 0.52215111 0.52215111
wye wye 3  0.20460331 0.33831853 0.20460331 0.20460331 0.33831853 0.33831853
eks wye 4  0.38139939 0.13418874 0.72095191 0.41912745 0.48335487 0.17298498
wye pan 5  0.57328892 0.86362447 0.24147187 0.53642036 0.39084912 0.81109388
zee pan 6  0.52712616 0.49322129 0.52712616 0.52712616 0.49322129 0.49322129
eks zee 7  0.61178406 0.18788492 0.71003512 0.59251840 0.45380788 0.18639493
zee wye 8  0.59855401 0.97618139 0.53426894 0.59141122 0.54151730 0.92788538
hat wye 9  0.03144188 0.74955076 0.03144188 0.03144188 0.74955076 0.74955076
pan wye 10 0.50262601 0.95261836 0.36237373 0.48704242 0.74938441 0.93003681
