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Mention NaN handling in dtype description #1

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Merged
merged 4 commits into from
Sep 18, 2018
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Mention NaN handling in dtype description #1

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e89f065
Mention NaN handling in dtype description
jowagner May 1, 2018
cdcb54b
reduce detail in reference to NaN settings
jowagner May 1, 2018
e51aef7
mention NaN handling in dtype description
jowagner May 10, 2018
53dd911
Fix rst usage error in io.rst
jowagner May 14, 2018
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3 changes: 2 additions & 1 deletion doc/source/io.rst
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Expand Up @@ -168,7 +168,8 @@ General Parsing Configuration

dtype : Type name or dict of column -> type, default ``None``
Data type for data or columns. E.g. ``{'a': np.float64, 'b': np.int32}``
(unsupported with ``engine='python'``). Use `str` or `object` to preserve and
(unsupported with ``engine='python'``). Use `str` or `object` together
with suitable ``na_values`` settings to preserve and
not interpret dtype.

.. versionadded:: 0.20.0 support for the Python parser.
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3 changes: 2 additions & 1 deletion pandas/io/parsers.py
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Expand Up @@ -125,7 +125,8 @@
are duplicate names in the columns.
dtype : Type name or dict of column -> type, default None
Data type for data or columns. E.g. {'a': np.float64, 'b': np.int32}
Use `str` or `object` to preserve and not interpret dtype.
Use `str` or `object` together with suitable `na_values` settings
to preserve and not interpret dtype.
If converters are specified, they will be applied INSTEAD
of dtype conversion.
%s
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