Thanks for your opinions, Daniel and Stavros.
I see the general feeling is that both approaches are complementary.
With respect to the frame object, I remember Robert expressed a similar
idea time ago; at that time I didn't implement it, but perhaps it's a
good starting point to reinforce all this statistical stuff. Even if we
don't have the foreign function interface at this moment, packages stats
and descriptive could take advantage of frames.
Thanks to both, ...
... and to Aristotle, who taught us that the virtue is in the middle of
two extremes.
--
Mario Rodriguez Riotorto
www.biomates.net