polars.DataFrame.to_struct

DataFrame.to_struct(name: str) → Series

Convert a DataFrame to a Series of type Struct.

Parameters:

name

Name for the struct Series

Examples

>>> df = pl.DataFrame(
...     {
...         "a": [1, 2, 3, 4, 5],
...         "b": ["one", "two", "three", "four", "five"],
...     }
... )
>>> df.to_struct("nums")
shape: (5,)
Series: 'nums' [struct[2]]
[
    {1,"one"}
    {2,"two"}
    {3,"three"}
    {4,"four"}
    {5,"five"}
]