a   b   i x          y          x_ewma_smooth x_ewma_rough y_ewma_smooth y_ewma_rough
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

aaa b   i x          y
wye wye 3 0.20460331 0.33831853

a   bbb i x          y          x_ewma_smooth x_ewma_rough y_ewma_smooth y_ewma_rough
eks wye 4 0.38139939 0.13418874 0.72095191    0.41912745   0.48335487    0.17298498

a   b   i xxx        y          y_ewma_smooth y_ewma_rough
wye pan 5 0.57328892 0.86362447 0.86362447    0.86362447

a   b   i x          y          x_ewma_smooth x_ewma_rough y_ewma_smooth y_ewma_rough
zee pan 6 0.52712616 0.49322129 0.52712616    0.52712616   0.49322129    0.49322129

a   b   iii x          y          x_ewma_smooth x_ewma_rough y_ewma_smooth y_ewma_rough
eks zee 7   0.61178406 0.18788492 0.71003512    0.59251840   0.45380788    0.18639493

a   b   i x          yyy        x_ewma_smooth x_ewma_rough
zee wye 8 0.59855401 0.97618139 0.53426894    0.59141122

aaa bbb i x          y
hat wye 9 0.03144188 0.74955076

a   b   i  x          y          x_ewma_smooth x_ewma_rough y_ewma_smooth y_ewma_rough
pan wye 10 0.50262601 0.95261836 0.36237373    0.48704242   0.74938441    0.93003681
