num_observation,sbibm.c2st 1,0.6642000079154968 2,0.6366999745368958 3,0.6654999852180481 4,0.7956500053405762 5,0.5776500105857849 6,0.5826500058174133 7,0.7566499710083008 8,0.6458500027656555 9,0.6604999899864197 10,0.5844500064849854