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Java Data Analysis

You're reading from   Java Data Analysis Data mining, big data analysis, NoSQL, and data visualization

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Product type Paperback
Published in Sep 2017
Publisher Packt
ISBN-13 9781787285651
Length 412 pages
Edition 1st Edition
Languages
Concepts
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Author (1):
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John R. Hubbard John R. Hubbard
Author Profile Icon John R. Hubbard
John R. Hubbard
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Toc

Table of Contents (14) Chapters Close

Preface 1. Introduction to Data Analysis 2. Data Preprocessing FREE CHAPTER 3. Data Visualization 4. Statistics 5. Relational Databases 6. Regression Analysis 7. Classification Analysis 8. Cluster Analysis 9. Recommender Systems 10. NoSQL Databases 11. Big Data Analysis with Java A. Java Tools Index

Chapter 3. Data Visualization

As the name suggests, this chapter describes the various methods commonly used to display data visually. A picture is worth a thousand words and a good graphical display is often the best way to convey the main ideas hidden in the numbers. Dr. Snow's Cholera Map (Figure 1-3) is a classic example.

Here is another famous example, also from the nineteenth century:

Data Visualization

Figure 3-1. Minard's map of Napoleon's Russian campaign

This map shows the path of Napoleon and his army during the War of 1812, marching from France to Moscow and back. The main idea being conveyed here is that the size of the army at each point in the campaign is represented by the width of the lines of advance and retreat.

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