Cory Lesmeister - Böcker

Master machine learning techniques with R to deliver insights for complex projectsAbout This Book• Get to grips with the application of Machine Learning methods using an extensive set of R packages• Understand the benefits and potential pitfalls of using machine learning methods• Implement the numerous powerful features offered by R with this comprehensive guide to building an independent R-based ML systemWho This Book Is ForIf you want to learn how to use R's machine learning capabilities to solve complex business problems, then this book is for you. Some experience with R and a working knowledge of basic statistical or machine learning will prove helpful.What You Will Learn• Gain deep insights to learn the applications of machine learning tools to the industry• Manipulate data in R efficiently to prepare it for analysis• Master the skill of recognizing techniques for effective visualization of data• Understand why and how to create test and training data sets for analysis• Familiarize yourself with fundamental learning methods such as linear and logistic regression• Comprehend advanced learning methods such as support vector machines• Realize why and how to apply unsupervised learning methodsIn DetailMachine learning is a field of Artificial Intelligence to build systems that learn from data. Given the growing prominence of R—a cross-platform, zero-cost statistical programming environment—there has never been a better time to start applying machine learning to your data.The book starts with introduction to Cross-Industry Standard Process for Data Mining. It takes you through Multivariate Regression in detail. Moving on, you will also address Classification and Regression trees. You will learn a couple of “Unsupervised techniques”. Finally, the book will walk you through text analysis and time series.The book will deliver practical and real-world solutions to problems and variety of tasks such as complex recommendation systems. By the end of this book, you will gain expertise in performing R machine learning and will be able to build complex ML projects using R and its packages.Style and approachThis is a book explains complicated concepts with easy to follow theory and real-world, practical applications. It demonstrates the power of R and machine learning extensively while highlighting the constraints.

Find out how to build smarter machine learning systems with R. Follow this three module course to become a more fluent machine learning practitioner.About This Book* Build your confidence with R and find out how to solve a huge range of data-related problems* Get to grips with some of the most important machine learning techniques being used by data scientists and analysts across industries today* Don't just learn - apply your knowledge by following featured practical projects covering everything from financial modeling to social media analysisWho This Book Is ForAimed for intermediate-to-advanced people (especially data scientist) who are already into the field of data scienceWhat You Will Learn* Get to grips with R techniques to clean and prepare your data for analysis, and visualize your results* Implement R machine learning algorithms from scratch and be amazed to see the algorithms in action* Solve interesting real-world problems using machine learning and R as the journey unfolds* Write reusable code and build complete machine learning systems from the ground up* Learn specialized machine learning techniques for text mining, social network data, big data, and more* Discover the different types of machine learning models and learn which is best to meet your data needs and solve your analysis problems* Evaluate and improve the performance of machine learning models* Learn specialized machine learning techniques for text mining, social network data, big data, and moreIn DetailR is the established language of data analysts and statisticians around the world. And you shouldn't be afraid to use it...This Learning Path will take you through the fundamentals of R and demonstrate how to use the language to solve a diverse range of challenges through machine learning. Accessible yet comprehensive, it provides you with everything you need to become more a more fluent data professional, and more confident with R. In the first module you'll get to grips with the fundamentals of R. This means you'll be taking a look at some of the details of how the language works, before seeing how to put your knowledge into practice to build some simple machine learning projects that could prove useful for a range of real world problems.For the following two modules we'll begin to investigate machine learning algorithms in more detail. To build upon the basics, you'll get to work on three different projects that will test your skills. Covering some of the most important algorithms and featuring some of the most popular R packages, they're all focused on solving real problems in different areas, ranging from finance to social media.This Learning Path has been curated from three Packt products:* R Machine Learning By Example By Raghav Bali, Dipanjan Sarkar* Machine Learning with R Learning - Second Edition By Brett Lantz* Mastering Machine Learning with R By Cory LesmeisterStyle and approachThis is an enticing learning path that starts from the very basics to gradually pick up pace as the story unfolds. Each concept is first defined in the larger context of things succinctly, followed by a detailed explanation of their application. Each topic is explained with the help of a project that solves a real-world problem involving hands-on work thus giving you a deep insight into the world of machine learning.

Stay updated with expert techniques for solving data analytics and machine learning challenges and gain insights from complex projects and power up your applicationsKey FeaturesBuild independent machine learning (ML) systems leveraging the best features of R 3.5Understand and apply different machine learning techniques using real-world examplesUse methods such as multi-class classification, regression, and clusteringBook DescriptionGiven the growing popularity of the R-zerocost statistical programming environment, there has never been a better time to start applying ML to your data. This book will teach you advanced techniques in ML ,using? the latest code in R 3.5. You will delve into various complex features of supervised learning, unsupervised learning, and reinforcement learning algorithms to design efficient and powerful ML models. This newly updated edition is packed with fresh examples covering a range of tasks from different domains. Mastering Machine Learning with R starts by showing you how to quickly manipulate data and prepare it for analysis. You will explore simple and complex models and understand how to compare them. You’ll also learn to use the latest library support, such as TensorFlow and Keras-R, for performing advanced computations. Additionally, you’ll explore complex topics, such as natural language processing (NLP), time series analysis, and clustering, which will further refine your skills in developing applications. Each chapter will help you implement advanced ML algorithms using real-world examples. You’ll even be introduced to reinforcement learning, along with its various use cases and models. In the concluding chapters, you’ll get a glimpse into how some of these blackbox models can be diagnosed and understood. By the end of this book, you’ll be equipped with the skills to deploy ML techniques in your own projects or at work.What you will learnPrepare data for machine learning methods with easeUnderstand how to write production-ready code and package it for useProduce simple and effective data visualizations for improved insightsMaster advanced methods, such as Boosted Trees and deep neural networksUse natural language processing to extract insights in relation to textImplement tree-based classifiers, including Random Forest and Boosted TreeWho this book is forThis book is for data science professionals, machine learning engineers, or anyone who is looking for the ideal guide to help them implement advanced machine learning algorithms. The book will help you take your skills to the next level and advance further in this field. Working knowledge of machine learning with R is mandatory.