Miao Wang created SPARK-18131:
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Summary: Support returning Vector/Dense Vector from backend
Key: SPARK-18131
URL: https://issues.apache.org/jira/browse/SPARK-18131
Project: Spark
Issue Type: New Feature
Components: SparkR
Reporter: Miao Wang
For `spark.logit`, there is a `probabilityCol`, which is a vector in the
backend (scala side). When we do collect(select(df, "probabilityCol")), backend
returns the java object handle (memory address). We need to implement a method
to convert a Vector/Dense Vector column as R vector, which can be read in
SparkR. It is a followup JIRA of adding `spark.logit`.
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