[R] How to ask for *fixed* number of distributions under parameterized Gaussian mixture model.

Wensui Liu liuwensui at gmail.com
Fri Apr 4 00:47:04 CEST 2008


Hi, Chen,
I don't know how you are doing it.
however, per my limited knowledge, it is easy with flexmix package.



On Thu, Apr 3, 2008 at 6:26 AM, Hung-Hsuan Chen (Sean)
<sandwichc at gmail.com> wrote:
> Dear R users:
>  I am wondering how to ask for *fixed* number of distributions under
>  parameterized Gaussian mixture model.
>
>  I know that em() and some related functions can predict the
>  parameterized Gaussian mixture model. However, there seems no
>  parameter to decide number of distributions to be mixed (if we known
>  the value in advance).
>
>  That is, assume I know the (mixed)data is from 3 different
>  distributions. The output, however, may indicate that number of
>  distributions that form the data is 4. How can I assign number of
>  distributions is 3 in advance?
>
>  Thanks a lot for your help.
>
>  ______________________________________________
>  R-help at r-project.org 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.
>



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WenSui Liu
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