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About the Author
Timothy Fox is a consultant, author, and speaker on the topics of big data and data science. From big banks to tech startups, Tim has engaged his programming chops and data science knowhow to solve practical data science problems. With strong skills in Python, R, Hadoop, Spark, and other related technologies, he also engages in speaking and training in a variety of data science and big data related topics. Tim is a principal at Elephant Scale, a specialized consulting and training company on big data.