[R] Creating a minimal package

[Douglas Bates]

Gabor Grothendieck wrote:
> Roger,
> 
> A list of the steps referred to below would be of interest.
> I realize the extensions manual exists but what I was
> thinking of was just a list of the minimal steps you take
> when you create a package for yourself.
> 
> Thanks.

It has already been automated.  See

?package.skeleton


> 
> Roger D. Peng <rpeng <at> jhsph.edu> writes:
> 
> : 
> : In fact, there is an elegant solution, and that is to write a 
> : package.  If this is all for personal use, then writing a package 
> : can be as simple as creating a few directories, copying the 
> : script files, and then running R CMD INSTALL.  I do this all the 
> : time when I have multiple projects that use the same code.
> : 
> : -roger
> : 
> : Shin, Daehyok wrote:
> : > To my knowledge, it is a common practice for users to archive some script
> : > files in other directories than current working directory, when the script
> : > files are frequently used in many cases. So, it is somewhat surprising to 
> me
> : > there is no elegant solution to set up default search paths in R.
> : > 
> : > Here is my suggestion.
> : > According to the setup of Python (http://docs.python.org/tut/node8.html),
> : > when source() is called,
> : > 
> : > 1. Search current working directory.
> : > 2. If not found, search the directories specified by the environment
> : > variable RPATH.
> : > 
> : > I think this change will help users to manage script files more easily. 
> What
> : > do you think of it?
> : > 
> : > Daehyok Shin
> : > 
> : > 
> : >>-----Original Message-----
> : >>From: Liaw, Andy [mailto:andy_liaw <at> merck.com]
> : >>Sent: Saturday, July 10, 2004 PM 10:07
> : >>To: 'sdhyok <at> email.unc.edu'; R, Help
> : >>Subject: RE: [R] where does R search when source()?
> : >>
> : >>
> : >>Not really.  The best I can come up with is something like:
> : >>
> : >>runScript <- function(script, dir="", ...) source(file.path(dir, script,
> : >>...)
> : >>scriptdir <- "/path/to/scripts"
> : >>
> : >>runScript(scriptdir, "myScript.R")
> : >>
> : >>Andy
> : >>
> : >>
> : >>>From: Shin, Daehyok
> : >>>
> : >>>The reason I asked is to separate script files from data files.
> : >>>Usually, I am working in the directory containing data files, but some
> : >>>script files are in other shared directories. In the case, is
> : >>>there any way
> : >>>to access the script files conveniently without specifying
> : >>>its absolute
> : >>>path? In other word, any way to set up default search paths for script
> : >>>files?
> : >>>
> : >>>Daehyok Shin (Peter)
> : >>>
> : >>>
> : >>>>The former.  No documentation says otherwise, so why would you
> : >>>>think that it
> : >>>>might search somewhere else?
> : >>>>
> : >>>>Andy
> : >>>>
> : >>>>
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