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.

 

--mc

 

 

 

 

 


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