R - Help

> Procedural Languages > R

1 - About

How to get help in R

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3 - How to

3.1 - The reference card

The reference card gives a good way to have all important functions on one place.

3.2 - Get the documentation of one function

help(commandName, package = 'PackageName')
# or
?command

Case sensitive

?describeby

Will return as message:

No documentation for ‘describeby’ in specified packages and libraries:
you could try ‘??describeby’

You must type

?describeBy

3.3 - Search the help documentation

help.search() or the special character ?? for finding help pages on a topic

??describe
//or
help.search("describe")
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3.4 - Get the help on one package

Get the help on one package

help(package=boot)

3.5 - Get the documentation

  • help.start() opens the HTML version of the R help pages
> help.start()
starting httpd help server ... done
If nothing happens, you should open
'http://127.0.0.1:23596/doc/html/index.html' yourself
lang/r/help.txt · Last modified: 2017/02/12 21:02 by gerardnico