num_observation,sbibm.c2st 1,0.5327000021934509 2,0.5404000282287598 3,0.5386499762535095 4,0.5587000250816345 5,0.5490000247955322 6,0.5584999918937683 7,0.575950026512146 8,0.5615000128746033 9,0.5286499857902527 10,0.5648000240325928