分组方法:
hours = [2023.01.02 09:00:00, 2023.01.02 10:00:00, 2023.01.02 11:00:00, 2023.01.02 13:00:00, 2023.01.02 14:00:00 ,2023.01.02 15:00:00,2023.01.02 17:00:00] v=volumeBar( (next(hours)-hours)/3600 - 1 ,1)
得到v的值为offset 0 1 2 3 4 5 6
0 0 0 0 1 1 1 2
再定义一个字典,替换分组序号为自定义值:
a=dict([0, 1, 2], ["G0", "G1", "G2"]) a[v]
结果如下图: