Converting RDD[org.apache.spark.sql.Row] to RDD[org.apache.spark.mllib.linalg.Vector]

Question

I am relatively new to Spark and Scala.

I am starting with the following dataframe (single column made out of a dense Vector of Doubles):

scala> v         


        

Answer 1

Just found out:

val scaledDataOnly_rdd = scaledDataOnly_pruned.map{x:Row => x.getAs[Vector](0)}