[R] mixture of 2 normals - starting values

Earl F. Glynn efg at stowers-institute.org
Fri Feb 23 20:50:34 CET 2007


If you don't have too much noise, the peaks in the derivative curves can be 
used:

See:

http://research.stowers-institute.org/efg/R/Statistics/MixturesOfDistributions/index.htm

efg
Earl F. Glynn
Scientific Programmer
Stowers Institute for Medical Research

<apjaworski at mmm.com> wrote in message 
news:OF89608350.3A0617D7-ON8625728B.001ADEC6-8625728B.001BAD0C at mmm.com...
> Hi,
>
> I have a problem of estimating a mixture of two normal distributions.  I
> need to find the starting points automatically, since this is a part of a
> larger piece of image processing code.



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