Manipulate list in dataframe (duplicate and remove)

Asked Sep 19 '17 at 10:32

Active Sep 19 '17 at 10:32

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I have a column containing lists with multiple elements: such as [Japan, Japan, nan, nan, USA, USA,]

I want to remove duplicates and 'nan' value obtaining a list as below:

[Japan, USA]

The list is made from another dataframe with combining elements in different columns.

asked Sep 19 '17 at 10:32

Xiaobo Li

check the following question: https://stackoverflow.com/questions/6764909/python-how-to-remove-all-duplicate-items-from-a-list – SuperKogito Sep 19 '17 at 11:05
@kogito Thanks. It is helpful. – Xiaobo Li Sep 23 '17 at 11:31

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