Getting help in R

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using the ''help(function-name)'' function or ''??function-name'' or ''??procedure-name''. The result of this code is a detailed description of the function, with the necessary arguments and also bibliography. As an example, the following code produces the help  
 
using the ''help(function-name)'' function or ''??function-name'' or ''??procedure-name''. The result of this code is a detailed description of the function, with the necessary arguments and also bibliography. As an example, the following code produces the help  
 
information showed below.
 
information showed below.
<< eval=FALSE>>=
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<source lang="rsplus">
 
help(mean)
 
help(mean)
@
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</source>
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[[File:Getting help.jpg|900px|thumb|center|Figure 1: Help output for the ''mean()'' function in '''''RStudio''''']]
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[[Category:Introduction to R]]

Latest revision as of 10:54, 23 April 2015

As stated in Introduction to R, R has an excellent help system implemented in the core or in the respective packages, but also a very active community sharing expertise on how to implement functions, or even sharing scripts. The help for a given function or procedure can be called by using the help(function-name) function or ??function-name or ??procedure-name. The result of this code is a detailed description of the function, with the necessary arguments and also bibliography. As an example, the following code produces the help information showed below.

help(mean)
Figure 1: Help output for the mean() function in RStudio
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