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.
Learning R
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- Nombre de pages400
- FormatMulti-format
- ISBN978-1-4493-5709-2
- EAN9781449357092
- Date de parution09/09/2013
- Protection num.NC
- Infos supplémentairesMulti-format incluant PDF sans p...
- ÉditeurO'Reilly Media
Résumé
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, you'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 you'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
Each chapter in the book includes a quiz on what you'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
A propos de Richard Cotton
52,00 €