zero323 commented on a change in pull request #30285:
URL: https://github.com/apache/spark/pull/30285#discussion_r520215823
##########
File path: python/pyspark/ml/fpm.py
##########
@@ -408,19 +429,26 @@ def getSequenceCol(self):
"""
return self.getOrDefault(self.sequenceCol)
- @since("2.4.0")
def findFrequentSequentialPatterns(self, dataset):
"""
Finds the complete set of frequent sequential patterns in the input
sequences of itemsets.
- :param dataset: A dataframe containing a sequence column which is
- `ArrayType(ArrayType(T))` type, T is the item type for
the input dataset.
- :return: A `DataFrame` that contains columns of sequence and
corresponding frequency.
- The schema of it will be:
- - `sequence: ArrayType(ArrayType(T))` (T is the item type)
- - `freq: Long`
-
.. versionadded:: 2.4.0
+
+ Parameters
+ ----------
+ dataset : :py:class:`pyspark.sql.DataFrame`
+ A dataframe containing a sequence column which is
+ `ArrayType(ArrayType(T))` type, T is the item type for the input
dataset.
+
+ Returns
+ -------
+ pyspark.sql.dataframe.DataFrame
Review comment:
Thanks @huaxingao. I'll wait to see if you have any other comments and
open [a follow
up](https://github.com/apache/spark/compare/master...zero323:SPARK-33251-FOLLOW-UP).
----------------------------------------------------------------
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
For queries about this service, please contact Infrastructure at:
[email protected]
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
