DOC: Updated resample.py and groupby.py to fix SA04 Errors (pandas-de…

…v#37219) * DOC: Updated resample.py and groupby.py to fix SA04 Errors * DOC: Fixed flake8 issue * pandas-dev#28792 DOC: Fixed SA04 Errors * pandas-dev#28792 Doc Fix SA04 Errors * Update pandas/core/arrays/integer.py Co-authored-by: Joris Van den Bossche <jorisvandenbossche@gmail.com> * Update pandas/core/arrays/boolean.py Co-authored-by: Joris Van den Bossche <jorisvandenbossche@gmail.com> * pandas-dev#28792 DOC: udpated reviewers comments * pandas-dev#28792 DOC: Fixing flake8 Errors Co-authored-by: Nagesh Kumar C <Nageshkumar.c@ab-inbev.com> Co-authored-by: Joris Van den Bossche <jorisvandenbossche@gmail.com> Co-authored-by: Simon Hawkins <simonjayhawkins@gmail.com>
ukarroum · Nov 2, 2020 · deb29dd · deb29dd
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diff --git a/pandas/_libs/tslibs/timedeltas.pyx b/pandas/_libs/tslibs/timedeltas.pyx
@@ -1056,7 +1056,8 @@ cdef class _Timedelta(timedelta):
 
         See Also
         --------
-        Timestamp.isoformat
+        Timestamp.isoformat : Function is used to convert the given
+            Timestamp object into the ISO format.
 
         Notes
         -----

diff --git a/pandas/core/arrays/base.py b/pandas/core/arrays/base.py
@@ -232,8 +232,8 @@ def _from_factorized(cls, values, original):
 
         See Also
         --------
-        factorize
-        ExtensionArray.factorize
+        factorize : Top-level factorize method that dispatches here.
+        ExtensionArray.factorize : Encode the extension array as an enumerated type.
         """
         raise AbstractMethodError(cls)
 
@@ -501,7 +501,7 @@ def _values_for_argsort(self) -> np.ndarray:
 
         See Also
         --------
-        ExtensionArray.argsort
+        ExtensionArray.argsort : Return the indices that would sort this array.
         """
         # Note: this is used in `ExtensionArray.argsort`.
         return np.array(self)
@@ -968,8 +968,8 @@ def take(
 
         See Also
         --------
-        numpy.take
-        api.extensions.take
+        numpy.take : Take elements from an array along an axis.
+        api.extensions.take : Take elements from an array.
 
         Notes
         -----

diff --git a/pandas/core/arrays/boolean.py b/pandas/core/arrays/boolean.py
@@ -418,7 +418,7 @@ def _values_for_argsort(self) -> np.ndarray:
 
         See Also
         --------
-        ExtensionArray.argsort
+        ExtensionArray.argsort : Return the indices that would sort this array.
         """
         data = self._data.copy()
         data[self._mask] = -1

diff --git a/pandas/core/arrays/categorical.py b/pandas/core/arrays/categorical.py
@@ -2061,7 +2061,7 @@ def unique(self):
         --------
         pandas.unique
         CategoricalIndex.unique
-        Series.unique
+        Series.unique : Return unique values of Series object.
 
         Examples
         --------

diff --git a/pandas/core/arrays/datetimes.py b/pandas/core/arrays/datetimes.py
@@ -1261,8 +1261,10 @@ def isocalendar(self):
 
         See Also
         --------
-        Timestamp.isocalendar
-        datetime.date.isocalendar
+        Timestamp.isocalendar : Function return a 3-tuple containing ISO year,
+            week number, and weekday for the given Timestamp object.
+        datetime.date.isocalendar : Return a named tuple object with
+            three components: year, week and weekday.
 
         Examples
         --------

diff --git a/pandas/core/arrays/integer.py b/pandas/core/arrays/integer.py
@@ -484,7 +484,7 @@ def _values_for_argsort(self) -> np.ndarray:
 
         See Also
         --------
-        ExtensionArray.argsort
+        ExtensionArray.argsort : Return the indices that would sort this array.
         """
         data = self._data.copy()
         if self._mask.any():

diff --git a/pandas/core/dtypes/base.py b/pandas/core/dtypes/base.py
@@ -21,8 +21,9 @@ class ExtensionDtype:
 
     See Also
     --------
-    extensions.register_extension_dtype
-    extensions.ExtensionArray
+    extensions.register_extension_dtype: Register an ExtensionType
+        with pandas as class decorator.
+    extensions.ExtensionArray: Abstract base class for custom 1-D array types.
 
     Notes
     -----

diff --git a/pandas/core/frame.py b/pandas/core/frame.py
@@ -589,7 +589,7 @@ def shape(self) -> Tuple[int, int]:
 
         See Also
         --------
-        ndarray.shape
+        ndarray.shape : Tuple of array dimensions.
 
         Examples
         --------

diff --git a/pandas/core/generic.py b/pandas/core/generic.py
@@ -260,7 +260,7 @@ def attrs(self) -> Dict[Optional[Hashable], Any]:
 
         See Also
         --------
-        DataFrame.flags
+        DataFrame.flags : Global flags applying to this object.
         """
         if self._attrs is None:
             self._attrs = {}
@@ -281,8 +281,8 @@ def flags(self) -> Flags:
 
         See Also
         --------
-        Flags
-        DataFrame.attrs
+        Flags : Flags that apply to pandas objects.
+        DataFrame.attrs : Global metadata applying to this dataset.
 
         Notes
         -----

diff --git a/pandas/core/groupby/groupby.py b/pandas/core/groupby/groupby.py
@@ -79,8 +79,9 @@ class providing the base-class of operations.
 _common_see_also = """
         See Also
         --------
-        Series.%(name)s
-        DataFrame.%(name)s
+        Series.%(name)s : Apply a function %(name)s to a Series.
+        DataFrame.%(name)s : Apply a function %(name)s
+            to each row or column of a DataFrame.
 """
 
 _apply_docs = dict(
@@ -318,9 +319,12 @@ class providing the base-class of operations.
 
 See Also
 --------
-%(klass)s.groupby.apply
-%(klass)s.groupby.aggregate
-%(klass)s.transform
+%(klass)s.groupby.apply : Apply function func group-wise
+    and combine the results together.
+%(klass)s.groupby.aggregate : Aggregate using one or more
+    operations over the specified axis.
+%(klass)s.transform : Transforms the Series on each group
+    based on the given function.
 
 Notes
 -----
@@ -427,9 +431,12 @@ class providing the base-class of operations.
 
 See Also
 --------
-{klass}.groupby.apply
-{klass}.groupby.transform
-{klass}.aggregate
+{klass}.groupby.apply : Apply function func group-wise
+    and combine the results together.
+{klass}.groupby.transform : Aggregate using one or more
+    operations over the specified axis.
+{klass}.aggregate : Transforms the Series on each group
+    based on the given function.
 
 Notes
 -----
@@ -1871,8 +1878,8 @@ def _fill(self, direction, limit=None):
 
         See Also
         --------
-        pad
-        backfill
+        pad : Returns Series with minimum number of char in object.
+        backfill : Backward fill the missing values in the dataset.
         """
         # Need int value for Cython
         if limit is None:
@@ -1906,10 +1913,10 @@ def pad(self, limit=None):
 
         See Also
         --------
-        Series.pad
-        DataFrame.pad
-        Series.fillna
-        DataFrame.fillna
+        Series.pad: Returns Series with minimum number of char in object.
+        DataFrame.pad: Object with missing values filled or None if inplace=True.
+        Series.fillna: Fill NaN values of a Series.
+        DataFrame.fillna: Fill NaN values of a DataFrame.
         """
         return self._fill("ffill", limit=limit)
 
@@ -1932,10 +1939,10 @@ def backfill(self, limit=None):
 
         See Also
         --------
-        Series.backfill
-        DataFrame.backfill
-        Series.fillna
-        DataFrame.fillna
+        Series.backfill :  Backward fill the missing values in the dataset.
+        DataFrame.backfill:  Backward fill the missing values in the dataset.
+        Series.fillna: Fill NaN values of a Series.
+        DataFrame.fillna: Fill NaN values of a DataFrame.
         """
         return self._fill("bfill", limit=limit)
 

diff --git a/pandas/core/indexes/accessors.py b/pandas/core/indexes/accessors.py
@@ -241,8 +241,10 @@ def isocalendar(self):
 
         See Also
         --------
-        Timestamp.isocalendar
-        datetime.date.isocalendar
+        Timestamp.isocalendar : Function return a 3-tuple containing ISO year,
+            week number, and weekday for the given Timestamp object.
+        datetime.date.isocalendar : Return a named tuple object with
+            three components: year, week and weekday.
 
         Examples
         --------
@@ -331,7 +333,8 @@ def to_pytimedelta(self) -> np.ndarray:
 
         See Also
         --------
-        datetime.timedelta
+        datetime.timedelta : A duration expressing the difference
+            between two date, time, or datetime.
 
         Examples
         --------

diff --git a/pandas/core/indexes/base.py b/pandas/core/indexes/base.py
@@ -628,7 +628,7 @@ def ravel(self, order="C"):
 
         See Also
         --------
-        numpy.ndarray.ravel
+        numpy.ndarray.ravel : Return a flattened array.
         """
         warnings.warn(
             "Index.ravel returning ndarray is deprecated; in a future version "
@@ -724,7 +724,8 @@ def astype(self, dtype, copy=True):
 
         See Also
         --------
-        numpy.ndarray.take
+        numpy.ndarray.take: Return an array formed from the
+            elements of a at the given indices.
         """
 
     @Appender(_index_shared_docs["take"] % _index_doc_kwargs)
@@ -2324,8 +2325,8 @@ def unique(self, level=None):
 
         See Also
         --------
-        unique
-        Series.unique
+        unique : Numpy array of unique values in that column.
+        Series.unique : Return unique values of Series object.
         """
         if level is not None:
             self._validate_index_level(level)
@@ -3968,7 +3969,7 @@ def _values(self) -> Union[ExtensionArray, np.ndarray]:
 
         See Also
         --------
-        values
+        values : Values
         """
         return self._data
 
@@ -4259,7 +4260,8 @@ def putmask(self, mask, value):
 
         See Also
         --------
-        numpy.ndarray.putmask
+        numpy.ndarray.putmask : Changes elements of an array
+            based on conditional and input values.
         """
         values = self.values.copy()
         try:

diff --git a/pandas/core/resample.py b/pandas/core/resample.py
@@ -131,7 +131,7 @@ def __iter__(self):
 
         See Also
         --------
-        GroupBy.__iter__
+        GroupBy.__iter__ : Generator yielding sequence for each group.
         """
         self._set_binner()
         return super().__iter__()
@@ -235,9 +235,12 @@ def pipe(self, func, *args, **kwargs):
         """
     See Also
     --------
-    DataFrame.groupby.aggregate
-    DataFrame.resample.transform
-    DataFrame.aggregate
+    DataFrame.groupby.aggregate : Aggregate using callable, string, dict,
+        or list of string/callables.
+    DataFrame.resample.transform : Transforms the Series on each group
+        based on the given function.
+    DataFrame.aggregate: Aggregate using one or more
+        operations over the specified axis.
     """
     )
 
@@ -454,8 +457,8 @@ def pad(self, limit=None):
 
         See Also
         --------
-        Series.fillna
-        DataFrame.fillna
+        Series.fillna: Fill NA/NaN values using the specified method.
+        DataFrame.fillna: Fill NA/NaN values using the specified method.
         """
         return self._upsample("pad", limit=limit)
 
@@ -829,8 +832,8 @@ def asfreq(self, fill_value=None):
 
         See Also
         --------
-        Series.asfreq
-        DataFrame.asfreq
+        Series.asfreq: Convert TimeSeries to specified frequency.
+        DataFrame.asfreq: Convert TimeSeries to specified frequency.
         """
         return self._upsample("asfreq", fill_value=fill_value)
 
@@ -916,8 +919,13 @@ def quantile(self, q=0.5, **kwargs):
         See Also
         --------
         Series.quantile
+            Return a series, where the index is q and the values are the quantiles.
         DataFrame.quantile
+            Return a DataFrame, where the columns are the columns of self,
+            and the values are the quantiles.
         DataFrameGroupBy.quantile
+            Return a DataFrame, where the coulmns are groupby columns,
+            and the values are its quantiles.
         """
         return self._downsample("quantile", q=q, **kwargs)
 
@@ -1073,7 +1081,7 @@ def _upsample(self, method, limit=None, fill_value=None):
 
         See Also
         --------
-        .fillna
+        .fillna: Fill NA/NaN values using the specified method.
 
         """
         self._set_binner()
@@ -1209,7 +1217,7 @@ def _upsample(self, method, limit=None, fill_value=None):
 
         See Also
         --------
-        .fillna
+        .fillna: Fill NA/NaN values using the specified method.
 
         """
         # we may need to actually resample as if we are timestamps

diff --git a/pandas/io/formats/style.py b/pandas/io/formats/style.py
@@ -829,7 +829,8 @@ def applymap(self, func: Callable, subset=None, **kwargs) -> "Styler":
 
         See Also
         --------
-        Styler.where
+        Styler.where: Updates the HTML representation with a style which is
+            selected in accordance with the return value of a function.
         """
         self._todo.append(
             (lambda instance: getattr(instance, "_applymap"), (func, subset), kwargs)
@@ -870,7 +871,7 @@ def where(
 
         See Also
         --------
-        Styler.applymap
+        Styler.applymap: Updates the HTML representation with the result.
         """
         if other is None:
             other = ""
@@ -930,7 +931,7 @@ def export(self) -> List[Tuple[Callable, Tuple, Dict]]:
 
         See Also
         --------
-        Styler.use
+        Styler.use: Set the styles on the current Styler.
         """
         return self._todo
 
@@ -951,7 +952,7 @@ def use(self, styles: List[Tuple[Callable, Tuple, Dict]]) -> "Styler":
 
         See Also
         --------
-        Styler.export
+        Styler.export : Export the styles to applied to the current Styler.
         """
         self._todo.extend(styles)
         return self