DOC: Fix outputs in wide_to_long docstring to reflect actual results

Author: vandenn

pandas/core/reshape/melt.py

@@ -270,15 +270,15 @@ def wide_to_long(df, stubnames, i, j, sep="", suffix=r'\d+'):
     ...     'ht2': [3.4, 3.8, 2.9, 3.2, 2.8, 2.4, 3.3, 3.4, 2.9]
     ... })
     >>> df
-       birth  famid  ht1  ht2
+       famid  birth  ht1  ht2
     0      1      1  2.8  3.4
-    1      2      1  2.9  3.8
-    2      3      1  2.2  2.9
-    3      1      2  2.0  3.2
+    1      1      2  2.9  3.8
+    2      1      3  2.2  2.9
+    3      2      1  2.0  3.2
     4      2      2  1.8  2.8
-    5      3      2  1.9  2.4
-    6      1      3  2.2  3.3
-    7      2      3  2.3  3.4
+    5      2      3  1.9  2.4
+    6      3      1  2.2  3.3
+    7      3      2  2.3  3.4
     8      3      3  2.1  2.9
     >>> l = pd.wide_to_long(df, stubnames='ht', i=['famid', 'birth'], j='age')
     >>> l
@@ -330,14 +330,10 @@ def wide_to_long(df, stubnames, i, j, sep="", suffix=r'\d+'):
     ...                    'X' : np.random.randint(3, size=3)})
     >>> df['id'] = df.index
     >>> df # doctest: +NORMALIZE_WHITESPACE, +ELLIPSIS
-       A(quarterly)-2010  A(quarterly)-2011  B(quarterly)-2010  ...
-    0           0.548814           0.544883           0.437587  ...
-    1           0.715189           0.423655           0.891773  ...
-    2           0.602763           0.645894           0.963663  ...
-       X  id
-    0  0   0
-    1  1   1
-    2  1   2
+       A(quarterly)-2010  A(quarterly)-2011  B(quarterly)-2010  B(quarterly)-2011  X  id
+    0           0.548814           0.544883           0.437587           0.383442  0   0
+    1           0.715189           0.423655           0.891773           0.791725  1   1
+    2           0.602763           0.645894           0.963663           0.528895  1   2
 
     >>> pd.wide_to_long(df, ['A(quarterly)', 'B(quarterly)'], i='id',
     ...                 j='year', sep='-')