Untitled

From Bistre Pheasant, 2 Months ago, written in Plain Text, viewed 58 times.

URL http://codebin.org/view/011ade67 Embed

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visitor_group_counts = orders.groupby('visitorId')['group'].nunique()
 
# так получаем список visitor Id которые в обе группы входят
visitor_ids_with_2_groups = visitor_group_counts[visitor_group_counts == 2].index
 
#дальше можно пользовать isin()

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