num_observation,sbibm.c2st 1,0.5733000040054321 2,0.6059499979019165 3,0.6439499855041504 4,0.649150013923645 5,0.6779999732971191 6,0.662850022315979 7,0.7611500024795532 8,0.7269499897956848 9,0.6070500016212463 10,0.7620999813079834