Xiangrui Meng created SPARK-5885:
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Summary: Add VectorAssembler
Key: SPARK-5885
URL: https://issues.apache.org/jira/browse/SPARK-5885
Project: Spark
Issue Type: Sub-task
Components: ML
Reporter: Xiangrui Meng
`VectorAssembler` takes a list of columns (of type double/int/vector) and merge
them into a single vector column.
{code}
val va = new VectorAssembler()
.setInputCols("userFeatures", "dayOfWeek", "timeOfDay")
.setOutputCol("features")
{code}
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