[R] Environment of a formula

[Adrian Baddeley]

> From: Martin Maechler <maechler at stat.math.ethz.ch>

> maybe Adrian save()s that data.frame susequently?
> Then, I assume the environment will copied.

> In all(?) other circumstances that should only be a pointer and
> not really use much memory.

Yes, sorry for the garbled message,
it is only when the object containing the formula is save()d
that we have a problem with huge file size. 

A