one hot encoding python pandas

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Jacob
28 Aug 2020
1y = pd.get_dummies(df.Countries, prefix='Country')
2print(y.head())
3# from here you can merge it onto your main DF
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Alexander
01 Jun 2020
1from sklearn.preprocessing import MultiLabelBinarizer
2
3mlb = MultiLabelBinarizer()
4df = df.join(pd.DataFrame(mlb.fit_transform(df.pop('Col3')),
5                          columns=mlb.classes_,
6                          index=df.index))
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