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    * [ pandas.TimedeltaIndex.floor ](pandas.TimedeltaIndex.floor.html)
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    * [ pandas.PeriodIndex.days_in_month ](pandas.PeriodIndex.days_in_month.html)
    * [ pandas.PeriodIndex.daysinmonth ](pandas.PeriodIndex.daysinmonth.html)
    * [ pandas.PeriodIndex.end_time ](pandas.PeriodIndex.end_time.html)
    * [ pandas.PeriodIndex.freq ](pandas.PeriodIndex.freq.html)
    * [ pandas.PeriodIndex.freqstr ](pandas.PeriodIndex.freqstr.html)
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    * [ pandas.PeriodIndex.second ](pandas.PeriodIndex.second.html)
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    * [ pandas.PeriodIndex.weekday ](pandas.PeriodIndex.weekday.html)
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    * [ pandas.PeriodIndex.year ](pandas.PeriodIndex.year.html)
    * [ pandas.PeriodIndex.asfreq ](pandas.PeriodIndex.asfreq.html)
    * [ pandas.PeriodIndex.strftime ](pandas.PeriodIndex.strftime.html)
    * [ pandas.PeriodIndex.to_timestamp ](pandas.PeriodIndex.to_timestamp.html)
    * [ pandas.PeriodIndex.from_fields ](pandas.PeriodIndex.from_fields.html)
    * [ pandas.PeriodIndex.from_ordinals ](pandas.PeriodIndex.from_ordinals.html)
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  * [ __ ](../../index.html)
  * [ API reference ](../index.html)
  * __
  * [ pandas.CategoricalIndex ](pandas.CategoricalIndex.html)
  * pandas.Categ... 

#  pandas.CategoricalIndex.reorder_categories  #

CategoricalIndex.  reorder_categories  (  _ *  args  _ , _ **  kwargs  _ )  [
[source]  ](https://github.com/pandas-
dev/pandas/blob/v2.2.2/pandas/core/indexes/extension.py#L92-L102) #

    

Reorder categories as specified in new_categories.

` new_categories  ` need to include all old categories and no new category
items.

Parameters  :

    

**new_categories** Index-like

    

The categories in new order.

**ordered** bool, optional

    

Whether or not the categorical is treated as a ordered categorical. If not
given, do not change the ordered information.

Returns  :

    

Categorical

    

Categorical with reordered categories.

Raises  :

    

ValueError

    

If the new categories do not contain all old category items or any new ones

See also

[ ` rename_categories  `
](pandas.CategoricalIndex.rename_categories.html#pandas.CategoricalIndex.rename_categories
"pandas.CategoricalIndex.rename_categories")

    

Rename categories.

[ ` add_categories  `
](pandas.CategoricalIndex.add_categories.html#pandas.CategoricalIndex.add_categories
"pandas.Cat