[R] Retrieve only part of a matrix

From: My Coyne <mcoyne_at_boninc.com>
Date: Sun, 13 Jan 2008 09:14:29 -0500

Hi All,

I'm new with R; this is a basic question. I was given a matrix I of (nrow, ncol), I would like to create another matrix A with some data in the matrix I, say [1,4] (row 1, column 4) to [271,19000] (row 271, column 19000). How do I do this? Please help. Thank you very much.  


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