DOC: fixes to DataFrame.plot.area docstring (#22307)

Author: jorisvandenbossche

pandas/plotting/_core.py

@@ -3385,25 +3385,13 @@ def area(self, x=None, y=None, **kwds):
         .. plot::
             :context: close-figs
 
-            >>> df = pd.DataFrame({
-            ...     'sales': [3, 2, 3, 9, 10, 6],
-            ...     'signups': [5, 5, 6, 12, 14, 13],
-            ...     'visits': [20, 42, 28, 62, 81, 50],
-            ... }, index=pd.date_range(start='2018/01/01', end='2018/07/01',
-            ...                        freq='M'))
             >>> ax = df.plot.area(stacked=False)
 
-        Draw an area plot for each metric:
+        Draw an area plot for a single column:
 
         .. plot::
             :context: close-figs
 
-            >>> df = pd.DataFrame({
-            ...     'sales': [3, 2, 3, 9, 10, 6],
-            ...     'signups': [5, 5, 6, 12, 14, 13],
-            ...     'visits': [20, 42, 28, 62, 81, 50],
-            ... }, index=pd.date_range(start='2018/01/01', end='2018/07/01',
-            ...                        freq='M'))
             >>> ax = df.plot.area(y='sales')
 
         Draw with a different `x`:
@@ -3414,9 +3402,8 @@ def area(self, x=None, y=None, **kwds):
             >>> df = pd.DataFrame({
             ...     'sales': [3, 2, 3],
             ...     'visits': [20, 42, 28],
-            ...     'day': ['Monday', 'Tuesday', 'Wednesday'],
-            ... }, index=pd.date_range(start='2018/01/01', end='2018/07/01',
-            ...                        freq='M'))
+            ...     'day': [1, 2, 3],
+            ... })
             >>> ax = df.plot.area(x='day')
         """
         return self(kind='area', x=x, y=y, **kwds)