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DOC: update the pandas.Series.dt.is_month_start docstring #20146

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DOC: update the pandas.Series.dt.is_month_start docstring #20146

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61c3f14
DOC: improved the docstring of pandas.Series.dt.is_month_first
janelle Mar 10, 2018
7840d52
minor languague style change in the description
janelle Mar 10, 2018
8f8c656
cropped lines at 80 characters, removed importing pandas, pep8styling
janelle Mar 10, 2018
768f2e5
see also description indentation
janelle Mar 10, 2018
5227cad
line length reduced
janelle Mar 10, 2018
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27 changes: 26 additions & 1 deletion pandas/core/indexes/datetimes.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1727,7 +1727,32 @@ def freq(self, value):
is_month_start = _field_accessor(
'is_month_start',
'is_month_start',
"Logical indicating if first day of month (defined by frequency)")
"""
Return a boolean indicating whether the date is the first day of the month.

Returns
-------
is_month_start : Series of boolean.

See Also
--------
is_month_end : Return a boolean indicating whether the date is
the last day of the month.

Examples
--------
>>> dates = pd.Series(pd.date_range("2018-02-27", periods=3))
>>> dates
0 2018-02-27
1 2018-02-28
2 2018-03-01
dtype: datetime64[ns]
>>> dates.dt.is_month_start
0 False
1 False
2 True
dtype: bool
""")
is_month_end = _field_accessor(
'is_month_end',
'is_month_end',
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