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initialvaluesthatworks
2012 Apr 03
1
Nlme not working on very similar initial values
...ry usage would grow and grow and eventually crash.
I looked carefully into one of the datasets and ran it separately. It worked. After narrowing down on all possibilities, I found that the main difference between both was in the initial values. If one subtracts them:
> initialValuesOriginal - initialValuesThatWorks
A.R A.a A.y B.R B.a
-3.194922e-08 0.000000e+00 0.000000e+00 -9.249630e-08 0.000000e+00
B.y C.R C.a C.y D.R
0.000000e+00 -1.713935e-06 -8.639821e-09 1.032083e-09 3.716880e-08
D.a...