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Mastering Machine Learning with R. - Third Edition

You're reading from Mastering Machine Learning with R. - Third Edition

Product type Book

Published in Jan 2019

Publisher

ISBN-13 9781789618006

Pages 354 pages

Edition 3rd Edition

Languages

Concepts

Machine Learning

Author (1):

Cory Lesmeister

Table of Contents (16) Chapters

Preface

1. Preparing and Understanding Data

2. Linear Regression

3. Logistic Regression

4. Advanced Feature Selection in Linear Models

5. K-Nearest Neighbors and Support Vector Machines

6. Tree-Based Classification

7. Neural Networks and Deep Learning

8. Creating Ensembles and Multiclass Methods

9. Cluster Analysis

10. Principal Component Analysis

11. Association Analysis

12. Time Series and Causality

13. Text Mining

14. Creating a Package

15. Other Books You May Enjoy

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Data understanding and preparation

Let's start with installing the R packages needed for this chapter, if you have not done so already:

> library(magrittr)

> install.packages("cluster")

> install.packages("dendextend")

> install.packages("ggthemes")

> install.packages("HDclassif") 

> install.packages("NbClust") 

> install.packages("tidyverse")

> options(scipen=999)

The dataset is in the HDclassif package. Load the data and examine the structure with the str() function:

> library(HDclassif)

> data(wine)

> str(wine)
'data.frame': 178 obs. of 14 variables:
 $ class: int 1 1 1 1 1 1 1 1 1 1 ...
 $ V1 : num 14.2 13.2 13.2 14.4 13.2 ...
 $ V2 : num 1.71 1.78 2.36 1.95 2.59 1.76 1.87 2.15 1.64 1.35 ...
 $ V3 : num 2.43 2.14 2.67 2.5 2.87 2.45 2.45 2.61 2.17 2.27 ...
 $ V4 : num 15.6 11.2 18...

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Authors (1)

Cory Lesmeister

Cory Lesmeister has over fourteen years of quantitative experience and is currently a senior data scientist for the advanced analytics team at Cummins, Inc. in Columbus, Indiana. He has spent 16 years at Eli Lilly and Company in sales, market research, Lean Six Sigma, marketing analytics, and new product forecasting. He also has several years of experience in the insurance and banking industries, both as a consultant and as a manager of marketing analytics. A former US Army active duty and reserve officer, Cory was stationed in Baghdad, Iraq, in 2009. Here, he served as the strategic advisor to the 29,000-person Iraqi Oil Police, succeeding where others failed by acquiring and delivering promised equipment to help the country secure and protect its oil infrastructure. He has a BBA in aviation administration from the University of North Dakota and a commercial helicopter license.

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