R Environment R is an integrated suite of software facilities for data manipulation, calculation and graphical display. Some of it features are: an efficient data handling and storage system a set of operators for calculations on arrays a large collection of intermediate tools for data analysis, graphical facilities for data analysis and display a well developed, simple and effective programming language S
Help To get more information on any specific named function, the command is: help(command name) or ?command_name This would open the html help documentation in the default browser.
Case Sensitivity R is an expression language with a very simple syntax. It is case sensitive as are most UNIX based packages, so E and e are different symbols and would refer to different variables.
Data Input The ‘c’ command: To create a new variable ‘var1’, use the c command in the following way: var1 <- c(3,5,7,9)
Data Input The ‘c’ command: You can see the value of a variable by typing its name and required parameters as follows:
Scanning Input Data can be scanned form the console using the ‘scan()’ function
Removing objects Objects can be removed using the ‘rm’ command: