Github user jkbradley commented on a diff in the pull request: https://github.com/apache/spark/pull/7976#discussion_r37252846 --- Diff: python/pyspark/ml/feature.py --- @@ -760,6 +765,60 @@ class StringIndexerModel(JavaModel): """ Model fitted by StringIndexer. """ + @property + def labels(self): + return self._java_obj.labels + + +class IndexToString(JavaTransformer, HasInputCol, HasOutputCol): + """ + Convert provided indexes back to strings using either the metadata on the input column + or user provided labels. + Note: By default we keep the original columns during StringIndexerModel's transformation, + so the inverse should only be used on new columns such as predicted labels. + """ + # a placeholder to make the labels show up in generated doc + labels = Param(Params._dummy(), "lables", --- End diff -- typo: "lables"
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