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DOC: Add notes to nullable types documentation about pd.NA column type #57050

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DOC: Add notes to nullable types documentation about pd.NA column type #57050

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10 changes: 10 additions & 0 deletions doc/source/user_guide/boolean.rst
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Expand Up @@ -37,6 +37,16 @@ If you would prefer to keep the ``NA`` values you can manually fill them with ``

s[mask.fillna(True)]

Note that when creating a new column with only :attr:`pandas.NA` values,
its dtype will be ``"object"``, since the value is also used for
:ref:`nullable integers <integer_na>`.

.. ipython:: python

df = pd.DataFrame()
df['objects'] = pd.NA
df.dtypes

.. _boolean.kleene:

Kleene logical operations
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10 changes: 10 additions & 0 deletions doc/source/user_guide/integer_na.rst
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Expand Up @@ -84,6 +84,16 @@ with the dtype.
In the future, we may provide an option for :class:`Series` to infer a
nullable-integer dtype.

Note that when creating a new column with only :attr:`pandas.NA` values,
its dtype will be ``"object"``, since the value is also used for
:ref:`booleans <booleans>`.

.. ipython:: python

df = pd.DataFrame()
df['objects'] = pd.NA
df.dtypes

Operations
----------

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