num_observation,sbibm.c2st 1,0.7145500183105469 2,0.5968000292778015 3,0.6062999963760376 4,0.81454998254776 5,0.7390000224113464 6,0.7210000157356262 7,0.8066499829292297 8,0.7744500041007996 9,0.7908999919891357 10,0.6879500150680542