num_observation,sbibm.c2st 1,0.7715499997138977 2,0.7655500173568726 3,0.7623000144958496 4,0.783050000667572 5,0.9155499935150146 6,0.78329998254776 7,0.8206999897956848 8,0.8298500180244446 9,0.7725499868392944 10,0.8445500135421753