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# pandas.Series.cat.codes

Series.cat.codes

  Return Series of codes as well as the index.

  See also

  `Series.cat.categories`

    Return the categories of this categorical.

  `Series.cat.as_ordered`

    Set the Categorical to be ordered.

  `Series.cat.as_unordered`

    Set the Categorical to be unordered.

  Examples

      >>> raw_cate = pd.Categorical(["a", "b", None, "a"], categories=["a", "b"])
      >>> ser = pd.Series(raw_cate)
      >>> ser.cat.codes
      0   0
      1   1
      2  -1
      3   0
      dtype: int8