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Applied Supervised Learning with R

Applied Supervised Learning with R

By : Karthik Ramasubramanian, Jojo Moolayil
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Applied Supervised Learning with R

Applied Supervised Learning with R

By: Karthik Ramasubramanian, Jojo Moolayil

Overview of this book

R provides excellent visualization features that are essential for exploring data before using it in automated learning. Applied Supervised Learning with R helps you cover the complete process of employing R to develop applications using supervised machine learning algorithms for your business needs. The book starts by helping you develop your analytical thinking to create a problem statement using business inputs and domain research. You will then learn different evaluation metrics that compare various algorithms, and later progress to using these metrics to select the best algorithm for your problem. After finalizing the algorithm you want to use, you will study the hyperparameter optimization technique to fine-tune your set of optimal parameters. The book demonstrates how you can add different regularization terms to avoid overfitting your model. By the end of this book, you will have gained the advanced skills you need for modeling a supervised machine learning algorithm that precisely fulfills your business needs.
Table of Contents (12 chapters)
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Applied Supervised Learning with R
Preface

Introduction


Chapter 1, R for Advanced Analytics, introduced to you the R language and its ecosystem for data science. We are now ready to enter a crucial part of data science and machine learning, that is, Exploratory Data Analysis (EDA), the art of understanding the data.

In this chapter, we will approach EDA with the same banking dataset used in the previous chapter, but in a more problem-centric way. We will start by defining the problem statement with industry standard artifacts, design a solution for the problem, and learn how EDA fits in the larger problem framework. We will then tackle the EDA for the direct marketing campaigns (phone calls) of a Portuguese banking institution use case using a combination of data engineering, data wrangling, and data visualization techniques in R, backed up by a business-centric approach.

In any data science use case, understanding the data consumes the bulk of the time and effort. Most data science professionals spend around 80% of their time understanding...

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