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# pandas.Series.cat.ordered

Series.cat.ordered

  Whether the categories have an ordered relationship.

  Examples

  For `pandas.Series`:

      >>> ser = pd.Series(['a', 'b', 'c', 'a'], dtype='category')
      >>> ser.cat.ordered
      False

      >>> raw_cat = pd.Categorical(['a', 'b', 'c', 'a'], ordered=True)
      >>> ser = pd.Series(raw_cat)
      >>> ser.cat.ordered
      True

  For `pandas.Categorical`:

      >>> cat = pd.Categorical(['a', 'b'], ordered=True)
      >>> cat.ordered
      True

      >>> cat = pd.Categorical(['a', 'b'], ordered=False)
      >>> cat.ordered
      False

  For `pandas.CategoricalIndex`:

      >>> ci = pd.CategoricalIndex(['a', 'b'], ordered=True)
      >>> ci.ordered
      True

      >>> ci = pd.CategoricalIndex(['a', 'b'], ordered=False)
      >>> ci.ordered
      False