num_observation,sbibm.c2st 1,0.6066499948501587 2,0.5927500128746033 3,0.7089999914169312 4,0.630649983882904 5,0.6948000192642212 6,0.6264500021934509 7,0.697950005531311 8,0.6243500113487244 9,0.7923499941825867 10,0.6741499900817871