DEPR: Styler.set_na_rep and .set_precision in favour of .format(na_rep='x', precision=3)

doc/source/reference/style.rst

@@ -35,7 +35,6 @@ Style application
    Styler.applymap
    Styler.where
    Styler.format
-   Styler.set_precision
    Styler.set_td_classes
    Styler.set_table_styles
    Styler.set_table_attributes
@@ -44,7 +43,6 @@ Style application
    Styler.set_caption
    Styler.set_properties
    Styler.set_uuid
-   Styler.set_na_rep
    Styler.clear
    Styler.pipe
 

doc/source/whatsnew/v1.3.0.rst

@@ -363,6 +363,7 @@ Deprecations
 - Deprecated :meth:`core.window.ewm.ExponentialMovingWindow.vol` (:issue:`39220`)
 - Using ``.astype`` to convert between ``datetime64[ns]`` dtype and :class:`DatetimeTZDtype` is deprecated and will raise in a future version, use ``obj.tz_localize`` or ``obj.dt.tz_localize`` instead (:issue:`38622`)
 - Deprecated casting ``datetime.date`` objects to ``datetime64`` when used as ``fill_value`` in :meth:`DataFrame.unstack`, :meth:`DataFrame.shift`, :meth:`Series.shift`, and :meth:`DataFrame.reindex`, pass ``pd.Timestamp(dateobj)`` instead (:issue:`39767`)
+- Deprecated :meth:`Styler.set_na_rep` and :meth:`Styler.set_precision` in favour of :meth:`Styler.format` with ``na_rep`` and ``precision`` as existing and new input arguments respectively (:issue:`40134`)
 - Deprecated allowing partial failure in :meth:`Series.transform` and :meth:`DataFrame.transform` when ``func`` is list-like or dict-like; will raise if any function fails on a column in a future version (:issue:`40211`)
 
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