O'Reilly logo

Scala Data Analysis Cookbook by Arun Manivannan

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Creating a DataFrame from CSV

In this recipe, we'll look at how to create a new DataFrame from a delimiter-separated values file.

How to do it...

This recipe involves four steps:

  1. Add the spark-csv support to our project.
  2. Create a Spark Config object that gives information on the environment that we are running Spark in.
  3. Create a Spark context that serves as an entry point into Spark. Then, we proceed to create an SQLContext from the Spark context.
  4. Load the CSV using the SQLContext.
  5. CSV support isn't first-class in Spark, but it is available through an external library ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required