[R] look at the underlying source code

Duncan Murdoch murdoch.duncan at gmail.com
Sun May 20 00:58:16 CEST 2012


On 12-05-18 12:56 PM, jaimie villanueva wrote:
> hi
>
> someone can show me how can i get the source code of a function. Is a S4
> class or Method. (I'm not an expert in R environment)
> Exactly, Function "ugarchsim" from library (rugarch).
> I need to know (in detailed ) how the variance and  mean ecuation of a
> arma/garch process are calculated.
> With other packages like "fGarch" i used to invoked the function debug ()
> and allows me to step into the functions but with ugarchsim i can't use it.
>
> any suggestions are well received
>

See Uwe Ligges's article in R News,

Accessing the sources. Uwe Ligges, R News, 6(4):43-45, October 2006

There's a link to it in the "Technical Papers" section of the HTML help 
pages.

Duncan Murdoch



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