[R] help files for libraries that aren't in the defaults library tree

J. Andy Royle jar at oriole.er.usgs.gov
Tue Dec 1 13:59:42 CET 1998


I created a library for a bunch of functions that I use frequently
so that I dont have to carry duplicate copies around to wherever I fire
up an R sesssion.  However, I have problems locating the help files
for those functions.  Here are some details.

I created the library "myR" and installed this in /home/royle/R

R INSTALL -l /home/royle/R /home/royle/Rpackages/myR

This went well, and I can access all of those functions in the
usual way....i.e. like:


But, I found that to get the help files I have to type:


and so it is kind of a pain to have to specify the lib.loc argument
every time I want to see a help file (not like I need to see the
help files because I wrote the functions, but I can imagine this
to be a pain for anyone who installs a package into a library tree
other than the defaults).

In any case, I went on an installed the library in $RHOME/library
and everything seems to work out ok.  But, I think that generally
one would need root access to install to RHOME/library and so folks
might be inclined to install elsewhere.

The question: is there a way to make these help files accessible 
when installed in a something other than the default library tree 
_without_ using the lib.loc option in help? 

Possible solution: It seems to me that I could add my new library tree 
to .lib.loc but wouldn't I have to create a new .lib.loc in every R session?

Thanks in advance for assistance.


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