pandas.Series.cat.as_unordered
- 
Series.cat.as_unordered(*args, **kwargs)[source] - 
Sets the Categorical to be unordered
Parameters: inplace : boolean (default: False)
Whether or not to set the ordered attribute inplace or return a copy of this categorical with ordered set to False
 
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Licensed under the 3-clause BSD License.
    https://pandas.pydata.org/pandas-docs/version/0.22.0/generated/pandas.Series.cat.as_unordered.html