Doing term frequency with Spark - everything that counts
For this recipe, we will download a book in text format from Project Gutenberg, from http://www.gutenberg.org/cache/epub/62/pg62.txt.
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When you look at the contents of the file, you will notice the title and author of the book is The Project Gutenberg EBook of A Princess of Mars by Edgar Rice Burroughs.
Note
This eBook is for the use of anyone, anywhere, at no cost, and with almost no restrictions whatsoever. You may copy it, give it away, or reuse it under the terms of the Project Gutenberg License included with this eBook online at http://www.gutenberg.org/.
We then use the downloaded book to demonstrate the classic word count program with Scala and Spark. The example may seem somewhat simple at first, but we are beginning the process of feature extraction for...