I haven't tried your code, but I've seen far too many attempts like this where
there is no simple call to the function with starting parameters to see if a
sensible answer is returned. If you get NaN or Inf or ... that isn't sensible,
then you know it is not a good idea to try further.
Beyond
Hi all,
Many thank in advance for helping me. I tried to fit Expectation Maximization
algorithm for mixture data. I must used one of numerical method to maximize my
function.
I built my code but I do not know how to make the optim function run over a
different value of the parameters.
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