[R] loading a package within R, in a MS Windows environment?

[David Winsemius]

On Aug 20, 2010, at 3:25 PM, Eva Nordstrom wrote:

> I am using R 2.11.1 in a Microsoft Windows environment. Is there a  
> way to load a
> package (e.g. the zoo package) using only "written code", not menus  
> or mouse
> clicks?
>
> The "code" below code brings up the "Select One" [package] menu.  I  
> just want to
> automatically load the "zoo package".
>
>  local({pkg <- select.list(sort(.packages(all.available =  
> TRUE)),graphics=TRUE)
> + if(nchar(pkg)) library(pkg, character.only=TRUE)})

what's wrong with:

require(zoo)   #?

I suppose you could do something fancier like:

stopifnot(require(zoo)) ... but I don't think that adds any benefit.

-- 
David