The Integrated Development Environment
You will definitely be able to run the code and the examples shown in this book directly from the standard R Graphical User Interface (GUI), especially if you are frequently working with R in more complex projects or simply if you like to keep an eye on the different components of your code, such as scripts, plots, and help pages, you may well think about the possibility of using an IDE. The number of specific IDEs that get integrated with R is still limited, but some of them are quite efficient, well-designed and open source.
RStudio
RStudio (http://www.rstudio.com/) is a very nice and advanced programming environment developed specifically for R, and this would be my recommended choice of IDE as the R programming ...
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