[R] efficient filtering of matrices

Tyler Smith tyler.smith at mail.mcgill.ca
Thu May 5 20:14:22 CEST 2005

Yikes, that looks complicated. I think what you're trying to do is available
already, see:


Tyler Smith

PhD Candidate
Plant Science Department
Faculty of Agricultural and Environmental Sciences
McGill University
MacDonald Campus
21,111 Lakeshore
Ste. Anne de Bellevue, Quebec, Canada H9X 3V9

Tel.: 514-398-7851 ext. 8726
Fax: 514-398-7897
tsmith20 at po-box.mcgill.ca

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