num_observation,sbibm.c2st 1,0.6290500164031982 2,0.6118000149726868 3,0.6610999703407288 4,0.6547499895095825 5,0.61285001039505 6,0.6457499861717224 7,0.6546499729156494 8,0.6623499989509583 9,0.6387500166893005 10,0.5942999720573425