Deprecate prefix argument in read_csv and read_table #44713
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asishm
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Dec 1, 2021
doc/source/whatsnew/v1.4.0.rst
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| - Deprecated casting behavior when setting timezone-aware value(s) into a timezone-aware :class:`Series` or :class:`DataFrame` column when the timezones do not match. Previously this cast to object dtype. In a future version, the values being inserted will be converted to the series or column's existing timezone (:issue:`37605`) | ||
| - Deprecated casting behavior when passing an item with mismatched-timezone to :meth:`DatetimeIndex.insert`, :meth:`DatetimeIndex.putmask`, :meth:`DatetimeIndex.where` :meth:`DatetimeIndex.fillna`, :meth:`Series.mask`, :meth:`Series.where`, :meth:`Series.fillna`, :meth:`Series.shift`, :meth:`Series.replace`, :meth:`Series.reindex` (and :class:`DataFrame` column analogues). In the past this has cast to object dtype. In a future version, these will cast the passed item to the index or series's timezone (:issue:`37605`) | ||
| - Deprecated the 'errors' keyword argument in :meth:`Series.where`, :meth:`DataFrame.where`, :meth:`Series.mask`, and meth:`DataFrame.mask`; in a future version the argument will be removed (:issue:`44294`) | ||
| - Deprecated the ``header`` keyword argument in :func:`read_csv` and :func:`read_table`, in a future version the argument will be removed (:issue:`43396`) |
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shouldn't this be prefix (and not header)?
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Using pandas/pandas/tests/io/parser/conftest.py Lines 31 to 39 in bdff214 It would be also nice to add an example to the user guide of how to add a prefix to the names. |
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thanks @phofl |
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cc @lithomas1 I am also on board with deprecating this. I don't think the keyword adds real value