Number of interim analyses: 2(2回解析をやる)
Equally spaced times between 0 and 1: No (等間隔か否か)
Information Times: (>0 & <=1): 0.5, 0.67 (1/2,2/3に対応)
Overall significance level? (>0 and <=1):0.02 (少々きびしめ)
One(1) or two(2)-sided symmetric? : Two (片側か両側か)
Type of spending function : OBrien-Fleming type (タイプの設定)
Do you wish to truncate the bounds? : No