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Practical Data Analysis

Practical Data Analysis - Second Edition

By : Hector Cuesta, Dr. Sampath Kumar
3.5 (2)
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Practical Data Analysis

Practical Data Analysis

3.5 (2)
By: Hector Cuesta, Dr. Sampath Kumar

Overview of this book

Beyond buzzwords like Big Data or Data Science, there are a great opportunities to innovate in many businesses using data analysis to get data-driven products. Data analysis involves asking many questions about data in order to discover insights and generate value for a product or a service. This book explains the basic data algorithms without the theoretical jargon, and you’ll get hands-on turning data into insights using machine learning techniques. We will perform data-driven innovation processing for several types of data such as text, Images, social network graphs, documents, and time series, showing you how to implement large data processing with MongoDB and Apache Spark.
Table of Contents (16 chapters)
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Chapter 3.  Getting to Grips with Visualization

Sometimes, we don't know how valuable data is until we look at it. In this chapter, we will look into a JavaScript-based web visualization framework called D3 (Data-Driven Documents) to create visualizations that make complex information easier to understand. We will cover the following topics:

  • What is visualization?
  • The visualization lifecycle
  • Visualizing different types of data
  • Data from social networks
  • An overview of visualization analytics

Exploratory Data Analysis (EDA), as mentioned in Chapter 2, Preprocessing Data, is a critical part of the data analysis process because it helps us to detect mistakes, determinate relationships, and tendencies, identify outliers, trends, and patterns, or check assumptions. In this chapter, we will present some examples of visualization methods for EDA with discrete and continuous data.

The four types of EDA are univariate nongraphical, multivariate nongraphical, univariate graphical, and multivariate...

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