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Applied Supervised Learning with R

You're reading from   Applied Supervised Learning with R Use machine learning libraries of R to build models that solve business problems and predict future trends

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Product type Paperback
Published in May 2019
Publisher
ISBN-13 9781838556334
Length 502 pages
Edition 1st Edition
Languages
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Authors (2):
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Jojo Moolayil Jojo Moolayil
Author Profile Icon Jojo Moolayil
Jojo Moolayil
Karthik Ramasubramanian Karthik Ramasubramanian
Author Profile Icon Karthik Ramasubramanian
Karthik Ramasubramanian
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Table of Contents (12) Chapters Close

Applied Supervised Learning with R
Preface
1. R for Advanced Analytics FREE CHAPTER 2. Exploratory Analysis of Data 3. Introduction to Supervised Learning 4. Regression 5. Classification 6. Feature Selection and Dimensionality Reduction 7. Model Improvements 8. Model Deployment 9. Capstone Project - Based on Research Papers Appendix

Understanding the Science Behind EDA


In layman's terms, we can define EDA as the science of understanding data. A more formal definition is the process of analyzing and exploring datasets to summarize its characteristics, properties, and latent relationships using statistical, visual, analytical, or a combination of techniques.

To cement our understanding, let's break down the definition further. The dataset is a combination of numeric and categorical features. To study the data, we might need to explore features individually, and to study relationships, we might need to explore features together. Depending on the number of features and the type of features, we may cross paths with different types of EDA.

To simplify, we can broadly classify the process of EDA as follows:

  • Univariate analysis: Studying a single feature

  • Bivariate analysis: Studying the relationship between two features

  • Multivariate analysis: Studying the relationship between more than two features

For now, we will restrict the scope...

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