R For Data Analysis In Easy Steps 2nd Edition
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R for Data Analysis in easy steps, 2nd edition
Author: Mike McGrath
language: en
Publisher: In Easy Steps Limited
Release Date: 2023-06-05
The R language is widely used by statisticians for data analysis, and the popularity of R programming has therefore increased substantially in recent years. The emerging Internet of Things (IoT) gathers increasing amounts of data that can be analyzed to gain useful insights into trends. R for Data Analysis in easy steps, 2nd edition has an easy-to-follow style that will appeal to anyone who wants to produce graphic visualizations to gain insights from gathered data. The book begins by explaining core programming principles of the R programming language, which stores data in “vectors” from which simple graphs can be plotted. Next, it describes how to create “matrices” to store and manipulate data from which graphs can be plotted to provide better insights. This book then demonstrates how to create “data frames” from imported data sets, and how to employ the “Grammar of Graphics” to produce advanced visualizations that can best illustrate useful insights from your data. R for Data Analysis in easy steps, 2nd edition contains separate chapters on the major features of the R programming language. There are complete example programs that demonstrate how to create Line graphs, Bar charts, Histograms, Scatter graphs, Box plots, and more. The code for each R script is listed, together with screenshots that illustrate the actual output when that script has been executed. The free, downloadable example R code is provided for clearer understanding. By the end of this book you will have gained a sound understanding of R programming, and be able to write your own scripts that can be executed to produce graphic visualizations for data analysis. You need have no previous knowledge of any programming language, so it's ideal for the newcomer to computer programming. Updated for the latest version of R. Contents: Getting started Storing values Performing operations Testing conditions Employing functions Building matrices Constructing data frames Producing quick plots Telling stories with data Plotting perfection
R for Data Science
Author: Hadley Wickham
language: en
Publisher: "O'Reilly Media, Inc."
Release Date: 2016-12-12
Learn how to use R to turn raw data into insight, knowledge, and understanding. This book introduces you to R, RStudio, and the tidyverse, a collection of R packages designed to work together to make data science fast, fluent, and fun. Suitable for readers with no previous programming experience, R for Data Science is designed to get you doing data science as quickly as possible. Authors Hadley Wickham and Garrett Grolemund guide you through the steps of importing, wrangling, exploring, and modeling your data and communicating the results. You'll get a complete, big-picture understanding of the data science cycle, along with basic tools you need to manage the details. Each section of the book is paired with exercises to help you practice what you've learned along the way. You'll learn how to: Wrangle—transform your datasets into a form convenient for analysis Program—learn powerful R tools for solving data problems with greater clarity and ease Explore—examine your data, generate hypotheses, and quickly test them Model—provide a low-dimensional summary that captures true "signals" in your dataset Communicate—learn R Markdown for integrating prose, code, and results
Photoshop CC in easy steps, 2nd edition
Photoshop CC in easy steps, 2nd edition helps the reader to master the essentials of Photoshop Creative Cloud 2018 edition, and then enjoy the full creative potential of this popular photo editing software. This book breaks down complex functions into easy-to-follow learning sequences. The continual expansion, refinement and development of Photoshop can make learning the software a daunting experience for the first time user. But there is no need to feel intimidated. The answer is simple, take it in easy steps. That's exactly what Photoshop CC in easy steps is designed to do. In clear, concise, simple language this book breaks down the complex and complicated into small easily digestible learning chunks. Photoshop CC in easy steps delivers a solid, secure and lasting foundation that you can build on as you explore Photoshop and develop more and more control over one the most creative pieces of software available today. The author’s extensive knowledge and understanding of the requirements and needs of the new user is distilled in this book which is written in simple, clear language with step-by-step instructions. Updated for Adobe Photoshop CC 2018