num_observation,sbibm.c2st 1,0.7685999870300293 2,0.7932000160217285 3,0.7558000087738037 4,0.7594000101089478 5,0.8942999839782715 6,0.7472500205039978 7,0.8233000040054321 8,0.793749988079071 9,0.7714499831199646 10,0.8136000037193298