This is an archive page for software and text for package for sparse linear
algebra in R. A brief description of the package with some
examples of its functionality (a vignette, in the terminology of R)
is available in pdf
here,
and all of the source code and documentation is available on
CRAN.

This package is joint work by Roger Koenker and Pin Ng.
Comments on this are, of course, always welcome,
and should be directed to
roger@ysidro.econ.uiuc.edu
or
Pin.Ng@nau.edu