Created
January 4, 2019 11:10
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Get column names after one hot encoding by scikit-learn.
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| """ | |
| Get column names after one hot encoding by scikit-learn. | |
| """ | |
| from sklearn.preprocessing import OneHotEncoder | |
| import pandas as pd | |
| titanic_url = ('https://raw.githubusercontent.com/amueller/' | |
| 'scipy-2017-sklearn/091d371/notebooks/datasets/titanic3.csv') | |
| data = pd.read_csv(titanic_url).loc[:,["sex", "embarked", "pclass"]].dropna() | |
| data.head() | |
| enc = OneHotEncoder(handle_unknown='ignore') | |
| pd.DataFrame(enc.fit_transform(data).toarray(), columns=enc.get_feature_names(data.columns)).head() |
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