[R] Sparse Matrix Package
Jan de Leeuw
deleeuw at stat.ucla.edu
Mon Oct 21 20:46:42 CEST 2002
Note: both SparseM and rgenout compile out of the (CRAN) box on Jaguar.
On Monday, October 21, 2002, at 05:30 AM, Roger Koenker wrote:
>
> R_go_nots:
>
> We would like to call your attention to a new R package called SparseM.
> The package offers a reasonably transparent access to basic linear
> algebra including linear equation solving for sparse matrices.
> Functions for solving sparse linear least squares problems
> are provided to illustrate the approach. Since only the non-zero
> elements of the relevant matrices are stored, significant improvements
> in both memory requirements and computational speed are possible
> in some problems. The package includes an R vignette that describes
> the design philosophy and discusses several examples.
>
> We would, of course, welcome comments on any aspect of the package.
>
> Roger Koenker and Pin Ng
>
>
> url: http://www.econ.uiuc.edu Roger Koenker
> email roger at ysidro.econ.uiuc.edu Department of Economics
> vox: 217-333-4558 University of Illinois
> fax: 217-244-6678 Champaign, IL 61820
>
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===
Jan de Leeuw; Professor and Chair, UCLA Department of Statistics;
Editor: Journal of Multivariate Analysis, Journal of Statistical
Software
US mail: 9432 Boelter Hall, Box 951554, Los Angeles, CA 90095-1554
phone (310)-825-9550; fax (310)-206-5658; email: deleeuw at stat.ucla.edu
homepage: http://gifi.stat.ucla.edu
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