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heriot
2017 Mar 07
0
Potential clue for Bug 16975 - lme fixed sigma - inconsistent REML estimation
Dear list,
I was trying to create a VarClass for nlme to work with Fay-Herriot
(FH) models. The idea was to create a modification of VarComb that
instead of multiplying the variance functions made their sum (I called
it varSum). After some fails etc... I found that the I was not getting
the expected results because I needed to make sigma fixed. Trying to
find how to make sigm...