Github user felixcheung commented on a diff in the pull request:
https://github.com/apache/spark/pull/17978#discussion_r116652156
--- Diff: python/pyspark/ml/feature.py ---
@@ -2082,8 +2082,9 @@ class StringIndexer(JavaEstimator, HasInputCol,
HasOutputCol, HasHandleInvalid,
"""
A label indexer that maps a string column of labels to an ML column of
label indices.
If the input column is numeric, we cast it to string and index the
string values.
- The indices are in [0, numLabels), ordered by label frequencies.
- So the most frequent label gets index 0.
+ The indices are in [0, numLabels). By default, this is ordered by
label frequencies
+ so the most frequent label gets index 0. The ordering behavior is
controlled by
+ setting stringOrderType.
--- End diff --
I think you need to backtick and add a tag for the attribute
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