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Practical Machine Learning with R

You're reading from   Practical Machine Learning with R Define, build, and evaluate machine learning models for real-world applications

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Product type Paperback
Published in Aug 2019
Publisher Packt
ISBN-13 9781838550134
Length 416 pages
Edition 1st Edition
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Authors (3):
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Brindha Priyadarshini Jeyaraman Brindha Priyadarshini Jeyaraman
Author Profile Icon Brindha Priyadarshini Jeyaraman
Brindha Priyadarshini Jeyaraman
Ludvig Renbo Olsen Ludvig Renbo Olsen
Author Profile Icon Ludvig Renbo Olsen
Ludvig Renbo Olsen
Monicah Wambugu Monicah Wambugu
Author Profile Icon Monicah Wambugu
Monicah Wambugu
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Toc

Table of Contents (8) Chapters Close

About the Book 1. An Introduction to Machine Learning FREE CHAPTER 2. Data Cleaning and Pre-processing 3. Feature Engineering 4. Introduction to neuralnet and Evaluation Methods 5. Linear and Logistic Regression Models 6. Unsupervised Learning 1. Appendix

Data Cleaning and Pre-processing

Learning Objectives

By the end of this chapter, you will be able to:

  • Perform the sort, rank, filter, subset, normalize, scale, and join operations in an R data frame.
  • Identify and handle outliers, missing values, and duplicates gracefully using the MICE and rpart packages.
  • Perform undersampling and oversampling on a dataset.
  • Apply the concepts of ROSE and SMOTE to handle unbalanced data.

This chapter covers the important concepts of handling data and making the data ready for analysis.

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