I would use which(), then subscript the row names and
column names with appropriate columns from which().
See help("which"), help("Extract"), help("rownames").
- tom blackwell - u michigan medical school - ann arbor -
On Tue, 12 Aug 2003, Bing Zhang wrote:
> I have a 8000*8000 matrix and I want to print out a file with the row name,
> column name and the value for those point with values satisfying a condition.
> I tried using a for loop, however, it took me forever to get the result. Is
> there a fast way to do this? Thanks!
>
> Bing
> ---------------------------------
> 1060 Commerce Park
> Oak Ridge National Laboratory
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