[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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