num_observation,sbibm.c2st 1,0.6291000247001648 2,0.768750011920929 3,0.6437000036239624 4,0.7662500143051147 5,0.8116000294685364 6,0.7525500059127808 7,0.865149974822998 8,0.6585500240325928 9,0.7857000231742859 10,0.6118999719619751