num_observation,sbibm.c2st 1,0.5518500208854675 2,0.5194000005722046 3,0.5238000154495239 4,0.6037999987602234 5,0.5201500058174133 6,0.5204499959945679 7,0.5180000066757202 8,0.7188500165939331 9,0.5319499969482422 10,0.5512499809265137