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Data Visualization, Volume II by Amar Sahay

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CHAPTER 1

Overview and Data Visualization

Introduction

This book is about visual representation of data commonly known as data visualization. The visualization tools or the graphical displays can be divided into the following two categories:

  1.   Data Visualization

  2.   Information Visualization

Data Visualization

Data visualization usually represents graphs and charts that are visual representations of data. These graphical displays provide a powerful way of summarizing and presenting data in a way that most people find easier to comprehend. Charts and graphs enable us to see the main features or characteristics of the data. The graphs not only enable us to present the numerical findings of a study, but also provide the shape and pattern ...

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