Before asking others for help, it's generally an excellent idea for you to attempt to assist on your own. R consists of comprehensive centers for accessing documentation and looking for aid. There are additionally specialized online search engine for accessing information about R online, as well as general net internet search engine can likewise prove beneficial .

R Aid: assistance() and also?

The help() function and? assistance operator in R

R give access to the documents web pages for R features, data collections, and various other items, both for packages in the basic R circulation as well as for added bundles. To access paperwork for the basic lm (direct model) function, as an example, enter the command aid( lm) or assistance(" lm"), or? lm or?" lm" (i.e., the quotes are optional).

To access assistance

  • Requirement names in R

    names in R include upper- and also lower-case letters, numerals (0-9), underscores (_), and durations (.),

  • You may also make use of aid

    make use of the aid() feature to accessibility information regarding a plan in your collection-- as an example,

  • Aid web pages for features

    Aid web pages for features usually include a section with executable instances illustrating just how the functions function. You can execute these examples in the current R session through the instance() command: e.g., example( lm).

  • Many plans include vignettes

    which are discursive papers indicated to highlight as well as discuss centers in the bundle. You can uncover vignettes by accessing the help page for a bundle, or using the browseVignettes() feature:

Searching for Assistance Within R


The apropos() function searches for objects, consisting of functions, straight accessible in the current R session that have names that consist of a defined character string.

help.search() and also??

The help.search() feature scans the documentation for plans installed in your library. The (very first) disagreement to help.search() is a character string or regular expression.


RSiteSearch() makes use of a net internet search engine (also see below) to search for info in feature help pages as well as vignettes for all CRAN bundles, as well as in CRAN task views (defined below).


help.start() begins and shows a hypertext based variation of R's on the internet documentation in your default internet browser that gives links to locally mounted versions of the R handbooks.