btw, i am using spark 1.6.1
-- View this message in context: http://apache-spark-user-list.1001560.n3.nabble.com/udf-of-aggregation-in-pyspark-dataframe-tp27811p27812.html Sent from the Apache Spark User List mailing list archive at Nabble.com. --------------------------------------------------------------------- To unsubscribe e-mail: user-unsubscr...@spark.apache.org