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In this chapter, we will use MLlib to make personalized movie recommendations tailored for you. We will work with 10 million ratings from 72,000 users on 10,000 movies, collected by MovieLens. This dataset is pre-loaded in your USB drive under data/movielens/large. For quick testing of your code, you may want to use a smaller dataset under data/movielens/medium, which contains 1 million ratings fr
GraphX is the new (alpha) Spark API for graphs (e.g., Web-Graphs and Social Networks) and graph-parallel computation (e.g., PageRank and Collaborative Filtering). At a high-level, GraphX extends the Spark RDD abstraction by introducing the Resilient Distributed Property Graph: a directed multigraph with properties attached to each vertex and edge. To support graph computation, GraphX exposes a set
Welcome Welcome to the AMP Camp 4 hands-on exercises! These exercises are extended and enhanced from those given at previous AMP Camp Big Data Bootcamps. They were written by volunteer graduate students and postdocs in the UC Berkelay AMPLab. Many of those same graduate students are present today as teaching assistants. The exercises we cover today will have you working directly with the Spark spe
In this chapter, we will use MLlib to make personalized movie recommendations tailored for you. We will work with 10 million ratings from 72,000 users on 10,000 movies, collected by MovieLens. This dataset is pre-loaded in the HDFS on your cluster in /movielens/large. For quick testing of your code, you may want to use a smaller dataset under /movielens/medium, which contains 1 million ratings fro
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