[R] mixture of 2 normals - starting values

[Tatiana Benaglia]

Hi,
you can also look at the function normalmix.init in the mixtools  
package.

Tatiana

Tatiana Benaglia
Ph.D. Candidate
Department of Statistics
Penn State University


On Feb 23, 2007, at 12:02 AM, apjaworski at mmm.com wrote:

> 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.
>
> I found the mix2normal1 function in VGAM package that mentions a  
> method of
> finding starting values for mu1 and mu2 but refers the reader to a  
> book by
> Everitt and Hand.  Unfortunately, I do not have an easy access to this
> book.  Could anybody point me to a description of the method that I  
> could
> use?
>
> Any help will be appreciated.  Thanks in advance,
>
> Andy
>
> __________________________________
> Andy Jaworski
> 518-1-01
> Process Laboratory
> 3M Corporate Research Laboratory
> -----
> E-mail: apjaworski at mmm.com
> Tel:  (651) 733-6092
> Fax:  (651) 736-3122
>
> ______________________________________________
> R-help at stat.math.ethz.ch mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide http://www.R-project.org/posting- 
> guide.html
> and provide commented, minimal, self-contained, reproducible code.