num_observation,sbibm.c2st 1,0.5713499784469604 2,0.6115000247955322 3,0.5386499762535095 4,0.5410500168800354 5,0.6009500026702881 6,0.5430999994277954 7,0.5799000263214111 8,0.560949981212616 9,0.5465999841690063 10,0.615149974822998