Liang-Chi Hsieh created SPARK-22001: ---------------------------------------
Summary: ImputerModel can do withColumn for all input columns at one pass Key: SPARK-22001 URL: https://issues.apache.org/jira/browse/SPARK-22001 Project: Spark Issue Type: Improvement Components: SQL Affects Versions: 2.2.0 Reporter: Liang-Chi Hsieh SPARK-21690 makes one-pass {{Imputer}} by parallelizing the computation of all input columns. When we transform dataset with {{ImputerModel}}, we do {{withColumn}} on all input columns sequentially. We can also do this on all input columns at once. -- This message was sent by Atlassian JIRA (v6.4.14#64029) --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org