8000 DEPR: Remove weekday_name by mroeschke · Pull Request #29831 · pandas-dev/pandas · GitHub
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DEPR: Remove weekday_name #29831

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Merged
merged 5 commits into from
Nov 28, 2019
+9 −41
Merged

DEPR: Remove weekday_name #29831

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414d645
DEPR: Remove weekday_name
Nov 25, 2019
2ed82ec
Fix documentation
Nov 25, 2019
090836b
Merge remote-tracking branch 'upstream/master' into remove_weekday_name
Nov 26, 2019
b4b7649
Merge remote-tracking branch 'upstream/master' into remove_weekday_name
Nov 27, 2019
14b28ab
Merge remote-tracking branch 'upstream/master' into remove_weekday_name
Nov 27, 2019
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Fix documentation
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Matt Roeschke committed Nov 25, 2019
commit 2ed82ec32dbb7e8b62567f56da9952120c2d90c5
7 changes: 3 additions & 4 deletions doc/source/user_guide/timeseries.rst
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Expand Up @@ -772,7 +772,6 @@ There are several time/date properties that one can access from ``Timestamp`` or
week,"The week ordinal of the year"
dayofweek,"The number of the day of the week with Monday=0, Sunday=6"
weekday,"The number of the day of the week with Monday=0, Sunday=6"
weekday_name,"The name of the day in a week (ex: Friday)"
quarter,"Quarter of the date: Jan-Mar = 1, Apr-Jun = 2, etc."
days_in_month,"The number of days in the month of the datetime"
is_month_start,"Logical indicating if first day of month (defined by frequency)"
Expand Down Expand Up @@ -1591,18 +1590,18 @@ labels.

s = pd.date_range('2000-01-01', '2000-01-05').to_series()
s.iloc[2] = pd.NaT
s.dt.weekday_name
s.dt.day_name()

# default: label='left', closed='left'
s.resample('B').last().dt.weekday_name
s.resample('B').last().dt.day_name()

Notice how the value for Sunday got pulled back to the previous Friday.
To get the behavior where the value for Sunday is pushed to Monday, use
instead

.. ipython:: python

s.resample('B', label='right', closed='right').last().dt.weekday_name
s.resample('B', label='right', closed='right').last().dt.day_name()

The ``axis`` parameter can be set to 0 or 1 and allows you to resample the
specified axis for a ``DataFrame``.
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1 change: 1 addition & 0 deletions doc/source/whatsnew/v1.0.0.rst
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Expand Up @@ -415,6 +415,7 @@ or ``matplotlib.Axes.plot``. See :ref:`plotting.formatters` for more.
- Removed previously deprecated "raise_conflict" argument from :meth:`DataFrame.update`, use "errors" instead (:issue:`23585`)
- Removed previously deprecated keyword "n" from :meth:`DatetimeIndex.shift`, :meth:`TimedeltaIndex.shift`, :meth:`PeriodIndex.shift`, use "periods" instead (:issue:`22458`)
- Removed previously deprecated :attr:`Timestamp.weekday_name`, :attr:`DatetimeIndex.weekday_name`, and :attr:`Series.dt.weekday_name` (:issue:`18164`)
-

.. _whatsnew_1000.performance:

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