num_observation,sbibm.c2st 1,0.5465999841690063 2,0.5471500158309937 3,0.5562499761581421 4,0.5551999807357788 5,0.5274999737739563 6,0.5378999710083008 7,0.564300000667572 8,0.5633000135421753 9,0.5604000091552734 10,0.5678499937057495