How to set up R Environment

R is a programming language and software environment for statistical analysis, graphics representation and reporting. R was created by Ross Ihaka and Robert Gentleman at the University of Auckland, New Zealand, and is currently developed by the R Development Core Team.

How to set up R Environment

R is a programming language and software environment for statistical analysis,
graphics representation and reporting. R was created by Ross Ihaka and Robert
The gentleman at the University of Auckland, New Zealand, and is currently
developed by the R Development Core Team

• R is freely available under the GNU General Public License, and pre-compiled binary
versions are provided for various operating systems like Linux, Windows and Mac.

• This the programming language was named R, based on the first letter of first name of the two R authors (Robert Gentleman and Ross Ihaka).

Prerequisites

• You should have a basic understanding of Computer Programming terminologies. A
basic understanding of any of the programming languages will help you in
understanding the R programming concepts and move fast on the learning track.

• The core of R is an interpreted computer language which allows branching and
looping as well as modular programming using functions. R allows integration
with the procedures written in the C, C++, .Net, Python or FORTRAN languages
for efficiency.

Features of R:

• R is a well-developed, simple and effective programming language which includes
conditionals, loops, user defined recursive functions and input and output
facilities.

• R has an effective data handling and storage facility

• R provides a suite of operators for calculations on arrays, lists, vectors and
matrices.

• R provides a large, coherent and integrated collection of tools for data analysis.

• R provides graphical facilities for data analysis and display either directly at
the computer or printing at the papers.

Local Environment Setup:

• Windows Installation

• You can download the Windows installer version of R from R-3.2.2 for Windows (32/64 bit) and save it in a local directory.

• As it is a Windows installer (.exe) with a name "R-version-win.exe". You
can just double click and run the installer accepting the default settings. If
your Windows is 32-bit version, it installs the 32-bit version. But if your windows
is 64-bit, then it installs both the 32-bit and 64-bit versions.

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