num_observation,sbibm.c2st 1,0.6193000078201294 2,0.6075000166893005 3,0.5983499884605408 4,0.6449999809265137 5,0.8212500214576721 6,0.7778499722480774 7,0.7649499773979187 8,0.5455999970436096 9,0.7127000093460083 10,0.5831999778747559