Help in R

Help is used to access documentation and search for help in R.Help in R support in getting R commands.

For example:To take help in paste, type

help(paste)

The help() function to access information about a package in your library, 

help(package=”MASS”)

To access documentation for the standard lm (linear model) function, 

help(lm)

To obtain documentation for the rlm() (robust linear model) function in the MASS package, 

help(rlm, package=”MASS”).

help.start()General help
help(foo)Help about function foo
?fooSame thing
apropos(“foo”)List all functions containing string foo
example(foo)Show an example of function foo
browseVignettes()Opens a list of vignettes from all of your installed packages in your browser
browseVignettes(package=package-name)Opens specific package name
help.search()Scan the documentation for packages installed in library