If I understand your question and if I understood Dr Harrell's
description of the Hmisc/Design packages capabilities, this should all
be available. I have been blessed with a dataset so large and with so
relatively few missing values that I have not yet needed to put his
methods into practice, but you should consider his function transcan
in Hmisc.
On Mar 12, 2009, at 8:44 AM, Elsaesser, Chris wrote:
I need a package that can compute missing values of n-dimensional
vectors for n > 2. This is a kind of interpolation, complicated in
dimensions higher than 2. The idea is that I have a set of fully
specified vectors (i.e., with no missing values) and I get a new
vector that has one or more missing attributes; I need to fill in
the missing values with values that are, based on the 'training
set', representative.
EMV appeared to be the solution but it has been taken off CRAN and I
can't seem to install the archived version by hand on my Windoz
machine.
Does anyone know of an alternative to EMV?
Thanks,
Chris Elsaesser, PhD 703.371.7301 (m)
Principal Engineer 703.983.4116 (o)
Information Discovery & Understanding
The MITRE Corporation
McLean, VA
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