polars.Array

class polars.Array(*args: Any, **kwargs: Any)

Nested list/array type with fixed length of inner arrays.

__init__(width: int, inner: PolarsDataType | PythonDataType = Null)

Nested list/array type with fixed length of inner arrays.

Parameters:

width

The fixed size length of the inner arrays.

inner

The DataType of values within the inner arrays

Examples

>>> s = pl.Series(
...     "a", [[1, 2], [4, 3]], dtype=pl.Array(width=2, inner=pl.Int64)
... )
>>> s
shape: (2,)
Series: 'a' [array[i64, 2]]
[
        [1, 2]
        [4, 3]
]

Methods

__init__(width[, inner])	Nested list/array type with fixed length of inner arrays.
base_type()	Return this DataType's fundamental/root type class.
is_(other)	Check if this DataType is the same as another DataType.
is_not(other)	Check if this DataType is NOT the same as another DataType.

Attributes

inner
is_nested
width