num_observation,sbibm.c2st 1,0.751800000667572 2,0.7726500034332275 3,0.7260500192642212 4,0.9042500257492065 5,0.824999988079071 6,0.8006500005722046 7,0.918150007724762 8,0.8734999895095825 9,0.9677500128746033 10,0.6921499967575073