[R] how to view source code of a function inside a package?

[Duncan Murdoch]

On 15/11/2012 2:21 PM, C W wrote:
> Dear list,
> I am trying to look at the function inside a package.  I know that
> methods() would do the trick, but what if the function is hidden?  I have a
> problem displaying the hidden function.
>
> Say, for example the MCMC package.  How do you view the code of that
> function?

You can use the prefix MCMC:::foo to display the foo function from MCMC, 
whether or not it is exported.

Duncan Murdoch

>
> something like this:
>
> > which
>
> function (x, arr.ind = FALSE, useNames = TRUE)
>
> {
>
>      wh <- .Internal(which(x))
>
>      if (arr.ind && !is.null(d <- dim(x)))
>
>          arrayInd(wh, d, dimnames(x), useNames = useNames)
>
>      else wh
>
> }
>
> <bytecode: 0x1021eef50>
>
> <environment: namespace:base>
>
> 	[[alternative HTML version deleted]]
>
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