R in 24 Hours, Sams Teach Yourself PDF Download for free:
Book Description:
In just 24 lessons of one hour or less, Sams Teach Yourself R in 24 Hours helps you learn all the R skills you need to solve a wide spectrum of real-world data analysis problems. You’ll master the entire data analysis workflow, learning to build code that’s efficient, reproducible, and suitable for sharing with others.
This book’s straightforward, step-by-step approach teaches you how to import, manipulate, summarize, model, and plot data with R; formalize your analytical code; and build powerful R packages using current best practices.
Practical, hands-on examples show you how to apply what you learn.
Quizzes and exercises help you test your knowledge and stretch your skills.
Learn How To
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Install, configure, and explore the R environment, including RStudio
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Use basic R syntax, objects, and packages
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Create and manage data structures, including vectors, matrices, and arrays
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Understand lists and data frames
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Work with dates, times, and factors
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Use common R functions, and learn to write your own
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Import and export data and connect to databases and spreadsheets
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Use the popular tidyr, dplyr and data.table packages
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Write more efficient R code with profiling, vectorization, and initialization
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Plot data and extend your graphical capabilities with ggplot2 and Lattice graphics
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Develop common types of models
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Construct high-quality packages, both simple and complex
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Write R classes: S3, S4, and Reference Classes
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Use R to generate dynamic reports
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Build web applications with Shiny