21 мая 2023 г. · You can convert the list to a struct and .unnest() df.with_columns(pl.col("a").list.to_struct()).unnest("a") How can I convert a Polars Dataframe to a Python list Polars table convert a list column to separate rows i.e. unnest a ... Rust Polars: Is it possible to explode a list column into multiple ... Explode out polars column of list items horizontally to new ... Другие результаты с сайта stackoverflow.com

Horizontally concatenate columns into a single list column. Operates in linear time. Parameters: exprs. Columns to concatenate into a single list column.

Get or set column names. Returns: list of str. A list containing the name of each column in order. Examples.

6 авг. 2023 г. · I basically want to make a new dataframe with the labels as column labels, and the time lists as columns, knowing that both lists have the same ...

You have to specify the data type Array when creating a series/dataframe or cast a column explicitly unless you create the column out of a NumPy array.

Add columns to this DataFrame. Added columns will replace existing columns with the same name. Notes Creating a new DataFrame using this method does not create ...

Convert a List column into an Array column with the same inner data type. Parameters: width. Width of the resulting Array column. Returns: Expr. Expression of ...

9 мар. 2024 г. · You can add a new column to the existing dataframe by passing an expression to with_columns. This method is applicable when you intend to create a new column ...

Run any polars expression against the lists' elements. Expr.list.explode (). Returns a column with a separate row for every list element.

5 сент. 2023 г. · The operators should work between a “scalar” column and a “list” column. The syntax would then look like: df.with_columns( pl.col("b") ...