R is programming language and free software environment for statistical computing and graphics supported by the R foundation for statistical computing.The R language is widely used among statisticians and data miners for developing statistical software and data analysis.polls,data mining surveys,and studies of scholarly literature databases show substantial increases in popularity,as of july 2020.
R ranks 8th in the TIOBE index,a measure of popularity of programming language. this R programming language paradigms is multi-paradigm:Array,object-oriented,imperative,functional,procedural,reflective.
This language Designed by Ross ihaka and Robert Gentleman.Developer is R core team. This programming language is apperead by first time in august 1993;26 year ago. programming language typing discipline is dynamic.
This programming language extensions is r. , .rdata, .rds, .rda .this language is freely available under the GNU General public License. pre-complied executables are provided for various operating systems.Although R has a command line interface. R is an interpreted language; users typically access it through a command-line interpreter.if a user types 2+2 at R command prompt and presses enter,the computer replies with 4,as shown blow:
> 2 + 2
[1] 4
This calculation is interpreted as the sum of two single-element vectors,resulting in a single-element vector.The prefix [1] indicates that the list of elements following it on the same line starts with the first element of the vector.