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Hands-On Data Analysis with Scala

You're reading from Hands-On Data Analysis with Scala Perform data collection, processing, manipulation, and visualization with Scala

Product type Paperback

Published in May 2019

Publisher Packt

ISBN-13 9781789346114

Length 298 pages

Edition 1st Edition

Languages

Scala

Tools

Apache Spark

Concepts

Data Analysis

Author (1):

Rajesh Gupta

View More author details

Table of Contents (14) Chapters

Preface

1. Section 1: Scala and Data Analysis Life Cycle FREE CHAPTER

2. Scala Overview

3. Data Analysis Life Cycle

4. Data Ingestion

5. Data Exploration and Visualization

6. Applying Statistics and Hypothesis Testing

7. Section 2: Advanced Data Analysis and Machine Learning

8. Introduction to Spark for Distributed Data Analysis

9. Traditional Machine Learning for Data Analysis

10. Section 3: Real-Time Data Analysis and Scalability

11. Near Real-Time Data Analysis Using Streaming

12. Working with Data at Scale

13. Another Book You May Enjoy

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Cleaning and normalizing

Staged data is considered to be immutable. Immutability in this context implies that staged data, once created, never changes. Now, the data cleaning and normalizing process can start. This step could also involve determining the degree of errors in the data received. In particular, it is expected that big data will have a certain amount of errors.

Raw data coming from external sources comes in a variety of formats. These formats are generally designed for data delivery and are not suitable for use by systems consuming data. It is also very common for some of the information to be clubbed together as part of data delivery; however, the consumer of the data needs to have more fine-grained access to the information.

An example of this is the address part of the data. The data producer might provide a free-form address. The contained information, such as...

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Authors (1)

Gupta

Gupta

Rakesh Gupta is best known as an automation champion in the Salesforce ecosystem. He has written over 150 articles on Visual Workflow and Process Builder to show how someone can use Visual Workflow and Process Builder to minimize code usage. He is one of the Visual Workflow and Process Builder experts in the industry. He has trained more than 700 individual professionals around the globe and conducted corporate training. Currently, Rakesh is working as a Salesforce solution architect consultant.

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