This video introduces the concept of a Spark RDD and shows how we can load in data, in a manner similar to what we did with Scala collection methods, using the RDD methods. Source code available at https://github.com/MarkCLewis/BigDataAnalyticswithSpark. Full playlist at https://www.youtube.com/playlist?list=PLLMXbkbDbVt-f6qwCZqfq7e_6eT8aFxzT.