num_observation,sbibm.c2st 1,0.6191499829292297 2,0.5939000248908997 3,0.6625999808311462 4,0.6310999989509583 5,0.5663999915122986 6,0.649399995803833 7,0.6126000285148621 8,0.6018000245094299 9,0.6398000121116638 10,0.6228500008583069