num_observation,sbibm.c2st 1,0.6011999845504761 2,0.5789999961853027 3,0.6097000241279602 4,0.7178500294685364 5,0.5440000295639038 6,0.5447999835014343 7,0.5583999752998352 8,0.7128499746322632 9,0.5834000110626221 10,0.6563000082969666