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我能够做出的订单如表大熊猫的帮助: Timedeltas忠诚计算
identifier gender Date category
0 1 female 2016-11-11 Baby
1 1 female 2017-02-01 Baby
2 2 female 2016-12-19 Shave
3 2 female 2016-12-27 Shave
4 3 female 2016-11-11 Baby
5 3 female 2016-11-22 Baby
6 4 male 2016-11-11 Shave
7 4 male 2017-01-01 Shave
我需要的结果是按天数第一第二的订单的订单数量和:
first order:
11.11.2016 3
19.12.2016 1
second orders:
22.11.2016 1
21.12.2016 1
01.01.2017 1
02.01.2017 1
third orders:
,也是我需要计算订单之间的平均时间(被人)
average time between orders = ...
并评估客户的跨品类忠诚度。我觉得这些taska看起来很相似
Loyalty cross categories:
first order:
Baby 2
second order:
Baby - 2
third order:
first order:
Shave 2
second order:
Shave - 2
third order:
是否可以用熊猫做这样的分析?