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Write a DataFrame to the binary Feather format.
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Parameters
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----------
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df : DataFrame
|
path : str, path object, or file-like object
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{storage_options}
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**kwargs :
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Additional keywords passed to `pyarrow.feather.write_feather`.
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Load a feather-format object from the file path.
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|
Parameters
|
----------
|
path : str, path object, or file-like object
|
String, path object (implementing ``os.PathLike[str]``), or file-like
|
object implementing a binary ``read()`` function. The string could be a URL.
|
Valid URL schemes include http, ftp, s3, and file. For file URLs, a host is
|
expected. A local file could be: ``file://localhost/path/to/table.feather``.
|
columns : sequence, default None
|
If not provided, all columns are read.
|
use_threads : bool, default True
|
Whether to parallelize reading using multiple threads.
|
{storage_options}
|
|
dtype_backend : {{'numpy_nullable', 'pyarrow'}}, default 'numpy_nullable'
|
Back-end data type applied to the resultant :class:`DataFrame`
|
(still experimental). Behaviour is as follows:
|
|
* ``"numpy_nullable"``: returns nullable-dtype-backed :class:`DataFrame`
|
(default).
|
* ``"pyarrow"``: returns pyarrow-backed nullable :class:`ArrowDtype`
|
DataFrame.
|
|
.. versionadded:: 2.0
|
|
Returns
|
-------
|
type of object stored in file
|
|
Examples
|
--------
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>>> df = pd.read_feather("path/to/file.feather") # doctest: +SKIP
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