num_observation,sbibm.c2st 1,0.7439000010490417 2,0.7473000288009644 3,0.7722499966621399 4,0.8665000200271606 5,0.7714499831199646 6,0.680899977684021 7,0.8669999837875366 8,0.8172000050544739 9,0.6902499794960022 10,0.7226499915122986