R-ex directory in a R package; large software in R

[...]

A more general and related question is: how does one organize R files in a
package? Should they all just go into pkg/R? To create a large package, this
way of organization is not very desirable. Most of R packages seem to be
relatively small so far. But I am hoping that some larger software can be
built around R. Can people comment on this?

I would dispute that there are not examples of large packages: certainly
some involve man-years of work.  You will notice that pkg/R is normally
organized into files, each file containing a collection of related
functions. It doen't need to be like that: rpart for example is `one
function, one file' but built from a particular SCCS organization.
But unless the project is really large that seems a natural level of
granularity.

As Thomas has commented, a source package is a distribution model. That is
not how for masters of, e.g. the VR bundle are stored but rather generated
by a script.  For personal use one can omit the INSTALL set and build a
binary package directly if more convenient.

Brian D. Ripley,                  ripley at stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272860 (secr)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595

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