search for: homer37

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2002 Dec 04
3
can this happen?
This is basically a question about where to start looking for a problem. I have a program that gives slightly different results on two Windows computers. It is a reasonably complicated numerical optimisation, with iterative calls to optim(). The two computers both run Windows 2000. On each computer I get the same results in two different versions of R (1.5.1 and 1.6.0 on one, 1.5.1 and 1.6.1