Update documentation

Author: kornilova203

pandas/core/frame.py

@@ -7079,6 +7079,10 @@ def quantile(self, q=0.5, axis=0, numeric_only=True,
                a     b
         0.1  1.3   3.7
         0.5  2.5  55.0
+
+        See Also
+        --------
+        pandas.core.window.Rolling.quantile
         """
         self._check_percentile(q)
 

pandas/core/series.py

@@ -1855,6 +1855,9 @@ def quantile(self, q=0.5, interpolation='linear'):
         0.75    3.25
         dtype: float64
 
+        See Also
+        --------
+        pandas.core.window.Rolling.quantile
         """
 
         self._check_percentile(q)

pandas/core/window.py

@@ -1288,7 +1288,36 @@ def kurt(self, **kwargs):
             * lower: `i`.
             * higher: `j`.
             * nearest: `i` or `j` whichever is nearest.
-            * midpoint: (`i` + `j`) / 2.""")
+            * midpoint: (`i` + `j`) / 2.
+
+    Returns
+    -------
+    Series or DataFrame
+        Returned object type is determined by the caller of the %(name)s
+        calculation
+
+    Examples
+    --------
+    >>> s = Series([1, 2, 3, 4])
+    >>> s.rolling(2).quantile(.4, interpolation='lower')
+    0    NaN
+    1    1.0
+    2    2.0
+    3    3.0
+    dtype: float64
+    >>> s.rolling(2).quantile(.4, interpolation='midpoint')
+    0    NaN
+    1    1.5
+    2    2.5
+    3    3.5
+    dtype: float64
+
+    See Also
+    --------
+    pandas.Series.quantile
+    pandas.DataFrame.quantile
+    
+    """)
 
     def quantile(self, quantile, interpolation='linear', **kwargs):
         window = self._get_window()