df create dummy from multiple category
from sklearn.preprocessing import MultiLabelBinarizer
mlb = MultiLabelBinarizer()
# get dummy array
dummy = mlb.fit_transform(df['cat'].str.split('|'))
# get category list
mlb.classes_
df create dummy from multiple category
from sklearn.preprocessing import MultiLabelBinarizer
mlb = MultiLabelBinarizer()
# get dummy array
dummy = mlb.fit_transform(df['cat'].str.split('|'))
# get category list
mlb.classes_
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