num_observation,sbibm.c2st 1,0.5328999757766724 2,0.5429499745368958 3,0.5730500221252441 4,0.5685499906539917 5,0.5214499831199646 6,0.5401999950408936 7,0.5731499791145325 8,0.560949981212616 9,0.5533499717712402 10,0.6360499858856201