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Mastering Spark for Data Science

You're reading from   Mastering Spark for Data Science Lightning fast and scalable data science solutions

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Product type Paperback
Published in Mar 2017
Publisher Packt
ISBN-13 9781785882142
Length 560 pages
Edition 1st Edition
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Authors (5):
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David George David George
Author Profile Icon David George
David George
Matthew Hallett Matthew Hallett
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Matthew Hallett
Antoine Amend Antoine Amend
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Antoine Amend
Andrew Morgan Andrew Morgan
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Andrew Morgan
Albert Bifet Albert Bifet
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Albert Bifet
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Table of Contents (15) Chapters Close

Preface 1. The Big Data Science Ecosystem 2. Data Acquisition FREE CHAPTER 3. Input Formats and Schema 4. Exploratory Data Analysis 5. Spark for Geographic Analysis 6. Scraping Link-Based External Data 7. Building Communities 8. Building a Recommendation System 9. News Dictionary and Real-Time Tagging System 10. Story De-duplication and Mutation 11. Anomaly Detection on Sentiment Analysis 12. TrendCalculus 13. Secure Data 14. Scalable Algorithms

A structured life is a good life

When learning about the benefits of Spark and big data, you may have heard discussions about structured data versus semi-structured data versus unstructured data. While Spark promotes the use of structured, semi-structured, and unstructured data, it also provides the basis for its consistent treatment. The only constraint being that it should be record-based. Providing they are record-based, datasets can be transformed, enriched and manipulated in the same way, regardless of their organization.

However, it is worth noting that having unstructured data does not necessitate taking an unstructured approach. Having identified techniques for exploring datasets in the previous chapter, it would be tempting to dive straight into stashing data somewhere accessible and immediately commencing simple profiling analytics. In real life situations, this activity often takes precedence over due diligence. Once again, we would encourage you to consider several key...

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