Hi list,
I think it is due to the combined effect of:
1. the randomly restarted maximum likelihood estimation that does not start
from the same seed when the order is changed (hence the difference in the
results).
2. the flatness of the likelihood function when adding a nugget as it is
done in the example (maybe the weird solution you get when changing the
order is slightly equally likely to the one Jake got with the initial order
(seed)).
My 2 cents,
V
2013/3/14 Jaques Grobler <[email protected]>
> Weird, I can actually reproduce this.. Running example as is, it's fine..
> but if I separately run the two parts,
> I get: http://oi45.tinypic.com/1gnc5h.jpg
>
> I'll have a look
>
>
>
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