DOC: Updating some capitalization in doc/source/user_guide #32550 (#47732)

Author: SomtochiUmeh

doc/source/user_guide/sparse.rst

@@ -266,8 +266,8 @@ have no replacement.
 
 .. _sparse.scipysparse:
 
-Interaction with scipy.sparse
------------------------------
+Interaction with *scipy.sparse*
+-------------------------------
 
 Use :meth:`DataFrame.sparse.from_spmatrix` to create a :class:`DataFrame` with sparse values from a sparse matrix.
 

doc/source/user_guide/timeseries.rst

@@ -388,7 +388,7 @@ We subtract the epoch (midnight at January 1, 1970 UTC) and then floor divide by
 
 .. _timeseries.origin:
 
-Using the ``origin`` Parameter
+Using the ``origin`` parameter
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
 Using the ``origin`` parameter, one can specify an alternative starting point for creation
@@ -1523,7 +1523,7 @@ or calendars with additional rules.
 
 .. _timeseries.advanced_datetime:
 
-Time series-related instance methods
+Time Series-related instance methods
 ------------------------------------
 
 Shifting / lagging
@@ -2601,7 +2601,7 @@ Transform nonexistent times to ``NaT`` or shift the times.
 
 .. _timeseries.timezone_series:
 
-Time zone series operations
+Time zone Series operations
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
 A :class:`Series` with time zone **naive** values is

doc/source/user_guide/visualization.rst

@@ -3,7 +3,7 @@
 {{ header }}
 
 *******************
-Chart Visualization
+Chart visualization
 *******************
 
 This section demonstrates visualization through charting. For information on
@@ -1746,7 +1746,7 @@ Andrews curves charts:
 
    plt.close("all")
 
-Plotting directly with matplotlib
+Plotting directly with Matplotlib
 ---------------------------------
 
 In some situations it may still be preferable or necessary to prepare plots

doc/source/user_guide/window.rst

@@ -3,7 +3,7 @@
 {{ header }}
 
 ********************
-Windowing Operations
+Windowing operations
 ********************
 
 pandas contains a compact set of APIs for performing windowing operations - an operation that performs
@@ -490,7 +490,7 @@ For all supported aggregation functions, see :ref:`api.functions_expanding`.
 
 .. _window.exponentially_weighted:
 
-Exponentially Weighted window
+Exponentially weighted window
 -----------------------------
 
 An exponentially weighted window is similar to an expanding window but with each prior point