DOC: paramaters -> parameters

doc/source/whatsnew/v0.15.2.txt

@@ -194,7 +194,7 @@ Bug Fixes
 - Bug in Timestamp-Timestamp not returning a Timedelta type and datelike-datelike ops with timezones (:issue:`8865`)
 - Made consistent a timezone mismatch exception (either tz operated with None or incompatible timezone), will now return ``TypeError`` rather than ``ValueError`` (a couple of edge cases only), (:issue:`8865`)
 - Bug in using a ``pd.Grouper(key=...)`` with no level/axis or level only (:issue:`8795`, :issue:`8866`)
-- Report a ``TypeError`` when invalid/no paramaters are passed in a groupby (:issue:`8015`)
+- Report a ``TypeError`` when invalid/no parameters are passed in a groupby (:issue:`8015`)
 - Bug in packaging pandas with ``py2app/cx_Freeze`` (:issue:`8602`, :issue:`8831`)
 - Bug in ``groupby`` signatures that didn't include \*args or \*\*kwargs (:issue:`8733`).
 - ``io.data.Options`` now raises ``RemoteDataError`` when no expiry dates are available from Yahoo and when it receives no data from Yahoo (:issue:`8761`), (:issue:`8783`).
@@ -238,4 +238,3 @@ Bug Fixes
 - Bug in plotting if sharex was enabled and index was a timeseries, would show labels on multiple axes (:issue:`3964`).
 - Bug where passing a unit to the TimedeltaIndex constructor applied the to nano-second conversion twice. (:issue:`9011`).
 - Bug in plotting of a period-like array (:issue:`9012`)
-

pandas/core/index.py

@@ -1490,7 +1490,7 @@ def sortlevel(self, level=None, ascending=True, sort_remaining=None):
         ascending : boolean, default True
             False to sort in descending order
 
-        level, sort_remaining are compat paramaters
+        level, sort_remaining are compat parameters
 
         Returns
         -------

pandas/io/pytables.py

@@ -990,7 +990,7 @@ def append_to_multiple(self, d, value, selector, data_columns=None,
 
     def create_table_index(self, key, **kwargs):
         """ Create a pytables index on the table
-        Paramaters
+        Parameters
         ----------
         key : object (the node to index)
 
@@ -3119,7 +3119,7 @@ def create_index(self, columns=None, optlevel=None, kind=None):
           note: cannot index Time64Col() or ComplexCol currently;
           PyTables must be >= 3.0
 
-        Paramaters
+        Parameters
         ----------
         columns : False (don't create an index), True (create all columns
             index), None or list_like (the indexers to index)

pandas/src/reduce.pyx

@@ -592,7 +592,7 @@ cdef class BlockSlider:
 def reduce(arr, f, axis=0, dummy=None, labels=None):
     """
 
-    Paramaters
+    Parameters
     -----------
     arr : NDFrame object
     f : function

pandas/tseries/base.py

@@ -48,7 +48,7 @@ def round(self, freq):
         """
         Round the index to the specified freq; this is a floor type of operation
 
-        Paramaters
+        Parameters
         ----------
         freq : freq string/object