num_observation,sbibm.c2st 1,0.7473000288009644 2,0.7639999985694885 3,0.7340999841690063 4,0.7143999934196472 5,0.9049999713897705 6,0.7085000276565552 7,0.7681000232696533 8,0.7699499726295471 9,0.7297499775886536 10,0.7512999773025513