28 янв. 2024 г. · The standard approach in Polars is to use pl.DataFrame.drop: df = df.drop("col") where we can pass either a column name (as string) or a column selector.

23 сент. 2022 г. · You might want to try DataFrame.drop_in_place, instead of drop. The function drops and returns the column specified.

26 мая 2023 г. · I am working with Polars and need to drop columns that contain only null values during my data preprocessing. However, I am having trouble using the Lazy API ...

31 авг. 2023 г. · I was earlier able to filter duplicates based on multiple columns using df.filter(pl.col(['A','C']).is_duplicated()) but after the latest version update this ...

13 мар. 2024 г. · This creates a single struct column struct_col with fields test and another_test. You could then easily unnest struct_col into the two columns using pl. ...

14 мар. 2024 г. · I have tried using .list.eval and pl.element() but I can't find anything that actually excludes elements from a list by name (ie by the word 'remove' in this ...

19 авг. 2024 г. · This seems to happen because Polars tries to perform the operations but ends up using the same column names, which causes the duplication issue.

2 нояб. 2016 г. · To delete multiple columns at the same time in pandas, you could specify the column names as shown below. The option inplace=True is needed.

3 сент. 2024 г. · I have this code, which splits a product column into a list, and then uses explode to expand it. import polars as pl import datetime as dt

6 окт. 2022 г. · I'm a new polars user. Pandas has df.dropna. I need to replace this functionality, but I haven't found a dropna in polars. Searching for drona currently yields ...