On May 2, 2010, at 7:01 AM, burgundy wrote:
Hi,
I'm trying to replace all values equal to 1 in one file (a) with the
value
in the corresponding column in a separate file (b). Example below.
Any help (and brief notes if poss) much appreciated. Thanks!!
file a:
0,0,1,1,0
1,0,0,0,1
0,0,0,0,0
1,0,1,1,0
You need to read the introductory material on reading files, and then
you need to read the Posting Guide about how to present copy-pastable
versions of r objects. Also look at:
?dput
file b:
3,4,6,8,11
Once that is done:
t( t(a)*b)
output request:
0,0,6,8,0
3,0,0,0,11
0,0,0,0,0
3,0,6,8,0
--
David Winsemius, MD
West Hartford, CT
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PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
