Hi Nicole,
Given the issues you had in the last email, I fear that there might be a non-standard installation of R, which would be problematic for the parallel processing part of Amelia, which relies on the "parallel" package that comes in the standard installation of R. You might want to make sure those are installed and then try the software again.
You might also check that the cluster allows for multiple cores to be accessed by the same process. Occasionally, servers will not allow this type of access.
Hope that helps!
Cheers,
Matt
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Matthew Blackwell
Assistant Professor of Political Science
University of Rochester