[R] discovery (was: data.frame to character)

[Gabor Grothendieck]

On 6/10/05, Robert Citek <rwcitek at alum.calberkeley.org> wrote:
> 
> How can one discover or list all available built-in objects?
> 
> On Jun 10, 2005, at 7:23 AM, Muhammad Subianto wrote:
> >> L3 <- LETTERS[1:3]
> >>  L10 <- LETTERS[1:10]
> 
> LETTERS is apparently a built-in character vector.  ls() and objects
> () only lists the ones I've created.  Is there a function that lists
> all available built-in objects?
> 
> For example, "pi" is another built-in, but "e" is not.  A means to
> list them would be nice.
> 

As has been pointed out, getting all objects involves a very long
list.  Since most of them will be of mode "function" we might want to ask 
for just objects that are of mode "character" or just objects that are 
mode "numeric":

apropos("", "character")
apropos("", "numeric")