Dear all:

Does anyone know whether the multiplicative error mode (MEM) is implemented
in R or other languages? I tried to write the program but got non-converging
problems. I checked the paper in :
www.core.ucl.ac.be/archives/CORE.ETRICSfiles/2005-06/gallo.pdf
But I found that the stuff there seems too complicated for me to handle.
Can anyone give a hint here? Thanks for help of any kind.

ShyhWeir

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