Learning R: A Step-by-Step Function Guide to Data Analysis

Cotton, Richard

ISBN 10: 1449357105 / ISBN 13: 9781449357108

Editore: O'Reilly Media, 2013

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Titolo: Learning R: A Step-by-Step Function Guide to...

Casa editrice: O'Reilly Media

Data di pubblicazione: 2013

Legatura: paperback

Condizione: Good

Edizione: 1st Edition.

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Riassunto:

Learn how to perform data analysis with the R language and software environment, even if you have little or no programming experience. With the tutorials in this hands-on guide, youâ ll learn how to use the essential R tools you need to know to analyze data, including data types and programming concepts.

The second half of Learning R shows you real data analysis in action by covering everything from importing data to publishing your results. Each chapter in the book includes a quiz on what youâ ve learned, and concludes with exercises, most of which involve writing R code.

• Write a simple R program, and discover what the language can do
• Use data types such as vectors, arrays, lists, data frames, and strings
• Execute code conditionally or repeatedly with branches and loops
• Apply R add-on packages, and package your own work for others
• Learn how to clean data you import from a variety of sources
• Understand data through visualization and summary statistics
• Use statistical models to pass quantitative judgments about data and make predictions
• Learn what to do when things go wrong while writing data analysis code

Informazioni sull?autore:

<div><p>Richie is a data scientist with a background in chemical health and safety, and has worked extensively on tools to give non-technical users access to statistical models. He is the author of the R packages "assertive" for checking the state of your variables and "sig" to make sure your functions have a sensible API. He runs The Damned Liars statistics consultancy.</p></div>