Hi all,

I have an RDD that contains around 50 columns. I need to sum each column,
which I am doing by running it through a for loop, creating an array and
running the sum function as follows:

for (i <- 0 until 10) yield {
   data.map(x => x(i)).sum
}

is their a better way to do this?

thanks,




--
View this message in context: 
http://apache-spark-user-list.1001560.n3.nabble.com/Efficient-way-to-sum-multiple-columns-tp14281.html
Sent from the Apache Spark User List mailing list archive at Nabble.com.

---------------------------------------------------------------------
To unsubscribe, e-mail: user-unsubscr...@spark.apache.org
For additional commands, e-mail: user-h...@spark.apache.org

Reply via email to