[R] How to know in which package is a function

[Douglas Bates]

Romain Francois wrote:
> Hello list,
> 
> I'd like to know if there is a function that tells in which package is a 
> given function.
> Something like :
> 
> which.package("lda")
> [1] "MASS"
> 
> Thank you.
> 
> Romain
> 

Perhaps easiest is

help.search("lda")

If you know that the name is recognized in your current session (which 
means that the package is loaded) you can use

find(lda)

or

apropos(lda)

Other functions that are sometimes used in this regard are "methods" and 
"getAnywhere".