[R] how do I install add on packages?

[David Brahm]

The result of help.search("install") is:
   remove.packages(base)
   update.packages(base)
   INSTALL(base)

Jeff D. Hamann <jeff_hamann at hamanndonald.com> wrote:
> what's base?

In each case, the function was found in the package called "base".  If you type
   R> search()
   R> ls("package:base")
you'll see "base" is last on your search path, and it contains all the core R
functions.

One cool thing about help.search() is that it searches all packages in your
library, even ones that aren't attached, so the name in parentheses may be
critical to finding the function.  Example:
  R> help.search("predict.nlme")
     ...
     predict.nlme(nlme)     Predictions from an nlme Object
  R> find("predict.nlme")
     character(0)
  R> require(nlme)
     ...
  R> find("predict.nlme")
    [1] "package:nlme"

				-- David Brahm (brahm at alum.mit.edu)
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