Summary
Contents
Subject index
Offering a user friendly introduction to R software
“A terrific intro book! I'll recommend it to any class I teach in which I use R.”
—Gary McDonald, Oakland University
This text provides a practical, hands-on introduction to the elements of R and R Commander. Assuming no background in computer programming, author Thomas P. Hogan guides the novice in using these valuable tools for statistical analysis. The book walks the reader through steps for downloading and then works through examples of basic statistical processing.
Key Features
“Base R” covered including downloading, creating data sets, using R functions, and R graphics; R Commander information includes downloading, inputting data, statistical analysis, and graphing; The author shows how to import and export data or files, using add-on packages, and annotated references for further skill development.; The book is suitable as a supplement to any standard introduction to statistics or for the person in the social and behavioral sciences, education, and allied health fields who wants a quick start on R
Accompanied by a Student Study Site
An upcoming student study site at http://www.sagepub.com/bare-bonesR contains downloadable data sets used in the text as well as selected updates for R.
R Commander
R Commander
2-1 What is R Commander?
R Commander is a very important package in the R system, especially for casual users like us. It provides a version of R that operates much like the widely used statistical software packages, for example, SPSS and Minitab. For sure, you will ask, “If R has a version like, say, SPSS, why did you just put me through all that stuff about prompts, functions, read.table, and so on?” Good question. There are two answers. First, you probably would not understand how R Commander works unless you know something about base R commands. Once you start using R Commander, you'll see a lot of output showing base R commands; and how you use data sets in R Commander follows from ...
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