Documentation for randomSplit() is available at https://spark.apache.org/docs/latest/api/scala/index.html#org.apache.spark.api.java.JavaRDD@randomSplit(weights:Array%5BDouble%5D):Array%5Borg.apache.spark.api.java.JavaRDD%5BT%5D%5D.
The randomSplit() is a method call within an RDD. While the number of RDD method calls can be overwhelming, mastering this Spark concept and API is a must.
API signature is as follows:
def randomSplit(weights: Array[Double]): Array[JavaRDD[T]]
Randomly splits this RDD with the provided weights.
