DOC: add versionadded to docstrings for 0.16.0 / 0.16.1

pandas/core/frame.py

@@ -1168,6 +1168,9 @@ def to_csv(self, path_or_buf=None, sep=",", na_rep='', float_format=None,
             Format string for datetime objects
         decimal: string, default '.'
             Character recognized as decimal separator. E.g. use ',' for European data
+
+            .. versionadded:: 0.16.0
+
         """
 
         formatter = fmt.CSVFormatter(self, path_or_buf,
@@ -3613,6 +3616,9 @@ def diff(self, periods=1, axis=0):
         periods : int, default 1
             Periods to shift for forming difference
         axis : {0 or 'index', 1 or 'columns'}, default 0
+            Take difference over rows (0) or columns (1).
+
+            .. versionadded: 0.16.1
 
         Returns
         -------

pandas/core/generic.py

@@ -1577,6 +1577,8 @@ def drop(self, labels, axis=0, level=None, inplace=False, errors='raise'):
         errors : {'ignore', 'raise'}, default 'raise'
             If 'ignore', suppress error and existing labels are dropped.
 
+            .. versionadded:: 0.16.1
+
         Returns
         -------
         dropped : type of caller
@@ -1953,6 +1955,8 @@ def sample(self, n=None, frac=None, replace=False, weights=None, random_state=No
         """
         Returns a random sample of items from an axis of object.
 
+        .. versionadded:: 0.16.1
+
         Parameters
         ----------
         n : int, optional

pandas/core/index.py

@@ -2793,6 +2793,8 @@ class CategoricalIndex(Index, PandasDelegate):
     Immutable Index implementing an ordered, sliceable set. CategoricalIndex
     represents a sparsely populated Index with an underlying Categorical.
 
+    .. versionadded:: 0.16.1
+
     Parameters
     ----------
     data : array-like or Categorical, (1-dimensional)

pandas/core/reshape.py

@@ -959,6 +959,8 @@ def get_dummies(data, prefix=None, prefix_sep='_', dummy_na=False,
     sparse : bool, default False
         Whether the returned DataFrame should be sparse or not.
 
+        .. versionadded:: 0.16.1
+
     Returns
     -------
     dummies : DataFrame

pandas/core/strings.py

@@ -710,6 +710,8 @@ def str_split(arr, pat=None, n=None):
     expand : bool, default False
         * If True, return DataFrame/MultiIndex expanding dimensionality.
         * If False, return Series/Index.
+
+        .. versionadded:: 0.16.1
     return_type : deprecated, use `expand`
 
     Returns

pandas/sparse/series.py

@@ -667,6 +667,8 @@ def to_coo(self, row_levels=(0,), column_levels=(1,), sort_labels=False):
         row_levels and column_levels are the names (labels) or numbers of the levels.
         {row_levels, column_levels} must be a partition of the MultiIndex level names (or numbers).
 
+        .. versionadded:: 0.16.0
+
         Parameters
         ----------
         row_levels : tuple/list
@@ -716,6 +718,8 @@ def from_coo(cls, A, dense_index=False):
         """
         Create a SparseSeries from a scipy.sparse.coo_matrix.
 
+        .. versionadded:: 0.16.0
+
         Parameters
         ----------
         A : scipy.sparse.coo_matrix

pandas/tseries/index.py

@@ -1397,7 +1397,7 @@ def _set_freq(self, value):
     weekday = dayofweek
     dayofyear = _field_accessor('dayofyear', 'doy', "The ordinal day of the year")
     quarter = _field_accessor('quarter', 'q', "The quarter of the date")
-    days_in_month = _field_accessor('days_in_month', 'dim', "The number of days in the month")
+    days_in_month = _field_accessor('days_in_month', 'dim', "The number of days in the month\n\n.. versionadded:: 0.16.0")
     daysinmonth = days_in_month
     is_month_start = _field_accessor('is_month_start', 'is_month_start', "Logical indicating if first day of month (defined by frequency)")
     is_month_end = _field_accessor('is_month_end', 'is_month_end', "Logical indicating if last day of month (defined by frequency)")

pandas/tseries/offsets.py

@@ -61,7 +61,7 @@ def wrapper(self, other):
             result = func(self, other)
             if self._adjust_dst:
                 result = tslib._localize_pydatetime(result, tz)
-            
+
             result = Timestamp(result)
             if self.normalize:
                 result = result.normalize()
@@ -387,7 +387,7 @@ def freqstr(self):
         return fstr
 
 class SingleConstructorOffset(DateOffset):
-    
+
     @classmethod
     def _from_name(cls, suffix=None):
         # default _from_name calls cls with no args
@@ -538,6 +538,9 @@ def onOffset(self, dt):
 class BusinessHour(BusinessMixin, SingleConstructorOffset):
     """
     DateOffset subclass representing possibly n business days
+
+    .. versionadded: 0.16.1
+
     """
     _prefix = 'BH'
     _anchor = 0
@@ -923,7 +926,7 @@ def onOffset(self, dt):
 
 class MonthOffset(SingleConstructorOffset):
     _adjust_dst = True
-    
+
     @property
     def name(self):
         if self.isAnchored:
@@ -1270,9 +1273,9 @@ class WeekOfMonth(DateOffset):
         5: Saturdays
         6: Sundays
     """
-    
+
     _adjust_dst = True
-    
+
     def __init__(self, n=1, normalize=False, **kwds):
         self.n = n
         self.normalize = normalize
@@ -2210,7 +2213,7 @@ class Easter(DateOffset):
     1583-4099.
     '''
     _adjust_dst = True
-    
+
     def __init__(self, n=1, **kwds):
         super(Easter, self).__init__(n, **kwds)