Pandas get_dummies 的替代方法

## list
df['channels'].explode().str.get_dummies().sum(level=0)
## string
pd.get_dummies(right_df.set_index('pair').te_right.str.split(',', expand=True), prefix='', prefix_sep='')\
.groupby(axis=1, level=0).sum()

Alternatives

• MultiLabelBinarizer
  • MultiLabelCounterfrom https://stackoverflow.com/a/57375810/14498100

• OneHotEncoder

  Ref.

• https://stackoverflow.com/questions/62733857/how-to-split-items-within-one-cell-in-a-certain-column-and-implement-one-hot-enc

• https://stackoverflow.com/questions/57371409/multi-label-encoding-for-classes-with-duplicates
• https://stackoverflow.com/questions/36631163/what-are-the-pros-and-cons-between-get-dummies-pandas-and-onehotencoder-sciki