num_observation,sbibm.c2st 1,0.6315000057220459 2,0.5787500143051147 3,0.5885000228881836 4,0.8199499845504761 5,0.5697500109672546 6,0.6299499869346619 7,0.6812999844551086 8,0.8017500042915344 9,0.7581499814987183 10,0.6228500008583069