num_observation,sbibm.c2st 1,0.6309999823570251 2,0.6629499793052673 3,0.6005499958992004 4,0.6075999736785889 5,0.6093000173568726 6,0.5684000253677368 7,0.5885999798774719 8,0.5795000195503235 9,0.5759000182151794 10,0.6636499762535095