Category «R Basics»

R Basic FAQs

Question: How to start (Run) R Language in Windows Operating System?
Answer: In Microsoft Windows, during installation the R installer will have created a Start menu item and an icon for R on your system’s desktop. Double click R icon from desktop or from start menu list to Run R program. For windows 7, 8 or 10, you can use search term like “R x64 3.2.1” (64 bit version) or “R i386 3.2.1” (32 bit version). R GUI will launch.

Question: How R can be used as calculator.
Answer: Starting R will open the console where user can type commands. To use R as calculator one have to enter the arithmetical expression after > prompt. For example

> 5 + 4
> sqrt(37)
> 2*4^2+17*4-3

Question: How to Quit R session?
Answer: In R console on R command prompt just type

> q( )

Question: What is q()?
Answer: The q() is a function that is used to tell R to quit. When q() is entered in R console and press Enter key, you will be asked whether to save an image of the current workspace or not or to cancel. Note that only typing q tells R to show the content of this function. The action of this function is to quit R.

Question: What is workspace in R?
Answer: The workspace in R is an image that contains a record of the computations one have done and it may contain some saved results.

Question: How to record work in R?
Answer: Rather than saving the workspace, one can record all the commands that one have entered in R console. Recording work in R, the R workspace can be reproduced. The easiest way is to enter the commands in R’s script editor available in the File menu of R GUI.

Question: What is R Script Editor?
Answer: R script editor is a place where one can enter commands. Commands can be executed by highlighting them and hitting CTRL+R (mean RUN). At the end of a R session one can save the final script for a permanent record of one’s work. A text editor such as Notepad can also be used for this purpose.
Note that in R console only one command can be entered at a time because after pressing Enter key the R command executed immediately.


R FAQs about R Basics

Here are R FAQS about R Basics. Questions and answers will be updated frequently and on the demand of visitors.

Question: On what Operating Systems R Language can Run.
Answer: R Language can run on Unix, Linux and Windows Operating System.

Question: On what machine R can Run?
Answer: R is developed for Unix-like, Windows and Mac families of operating systems. The current version of R Language is configured to run on machine such as cpu-linux-gnu for i386, amd64, alpha, arm/armel, hppa, ia64, m68k, mips/mipsel, powerpc, s390 and sparc CPUs, i386-hurd-gnu, cpu-kfreebsd-gnu for i386 and amd64, powerpc-apple-darwin, mips-sgi-irix, i386-freebsd, rs6000-ibm-aix and sparc-sun-solaris.

Question: What is the current version of R?
Answer: The current released version of R is 3.2.2.

Question: How and where from R can be obtained?
Answer: Sources, binaries and documentation of R language can be obtained via Comprehensive R Archive Network (CRAN).

Question: How to install R on Windows Operating System?
Answer: The “bin/windows” directory of CRAN site contains binaries for a base distribution and add-on packages from CRAN to run on Windows XP, Vista, Windows 7 etc (32-bit or 64bit versions of Windows) on ix86 and x86_64 chips.

Question: What is CRAN?
Answer: The CRAN is “Comprehensive R Archive Network”. CRAN is a collection of sites which carry identical material, consisting R distribution(s), the contributed extensions, documentation for R and binaries.

The CRAN master site is at WU (Wirtschaftsuniversität Wien) in Austria.

The mirros are include    (Wirtschaftsuniversität Wien, Austria)    (University of Melbourne, Australia)    (Universidade Federal do Paraná, Brazil)    (ETH Zürich, Switzerland)    (, Aalborg, Denmark)    (Spanish National Research Network, Madrid, Spain)    (Universidade do Porto, Portugal)    (U of Bristol, United Kingdom)


Reference: Hornik, K., (2015). R FAQs,

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