R - Help

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How to get help in R

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How to

The reference card

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

Get the documentation of one function

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

?describeby

Will return as message:

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

You must type

?describeBy

Search the help documentation

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

??describe
//or
help.search("describe")

Get the help on one package

Get the help on one package

help(package=boot)

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