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/ python_benchmark.py
Last active
April 25, 2021 03:53
— forked from Coldsp33d/conditional_col_creation_benchmark.py
比较代码所需时间
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| import pandas as pd | |
| import perfplot | |
| def numpy_where(df): | |
| return df.assign(is_rich=np.where(df['salary'] >= 50, 'yes', 'no')) | |
| def list_comp(df): | |
| return df.assign(is_rich=['yes' if x >= 50 else 'no' for x in df['salary']]) | |
| def loc(df): |