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Spark for Data Science

You're reading from   Spark for Data Science Analyze your data and delve deep into the world of machine learning with the latest Spark version, 2.0

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Product type Paperback
Published in Sep 2016
Publisher Packt
ISBN-13 9781785885655
Length 344 pages
Edition 1st Edition
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Authors (2):
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Bikramaditya Singhal Bikramaditya Singhal
Author Profile Icon Bikramaditya Singhal
Bikramaditya Singhal
Srinivas Duvvuri Srinivas Duvvuri
Author Profile Icon Srinivas Duvvuri
Srinivas Duvvuri
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Toc

Table of Contents (12) Chapters Close

Preface 1. Big Data and Data Science – An Introduction FREE CHAPTER 2. The Spark Programming Model 3. Introduction to DataFrames 4. Unified Data Access 5. Data Analysis on Spark 6. Machine Learning 7. Extending Spark with SparkR 8. Analyzing Unstructured Data 9. Visualizing Big Data 10. Putting It All Together 11. Building Data Science Applications

Scope of development

Data analytics workflow can be roughly divided into two phases, the build phase and the operationalization phase. The first phase is usually a one-time exercise, with heavy human intervention. Once we've attained reasonable end results, we are ready to operationalize the product. The second phase starts with the models generated in the first phase and makes them available as a part of some production workflow. In this section, we'll discuss the following:

  • Expectations
  • Presentation options
  • Development and testing
  • Data quality management

Expectations

The primary goal of data science applications is to build "actionable" insights, actionable being the keyword. Many use cases such as fraud detection need the insights to be generated and made available in a consumable fashion in near real time, if you expect any action-ability at all. The end users of the data product vary with the use case. They may be customers of an e-commerce site or a decision maker of...

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