num_observation,sbibm.c2st 1,0.6991000175476074 2,0.6575000286102295 3,0.727150022983551 4,0.7113999724388123 5,0.798550009727478 6,0.8215500116348267 7,0.8704000115394592 8,0.7295500040054321 9,0.6775500178337097 10,0.715399980545044