num_observation,sbibm.c2st 1,0.5523999929428101 2,0.5388000011444092 3,0.5303000211715698 4,0.5461500287055969 5,0.5747500061988831 6,0.540149986743927 7,0.5628499984741211 8,0.5580499768257141 9,0.525950014591217 10,0.5912500023841858