"Lukasz Komsta" <[EMAIL PROTECTED]> wrote in message news:[EMAIL PROTECTED] > I have a curve which is a mixture of Gaussian curves (for example UV > emission or absorption spectrum). Do you have any suggestions how to > implement searching for optimal set of Gaussian peaks to fit the curve? > I know that it is very complex problem, but maybe it is a possibility > to do it? First supposement is to use a nls() with very large functions, > and compare AIC value, but it is very difficult to suggest any starting > points for algotirithm.
Perhaps these notes will be helpful if you don't have too much noise in your data: http://research.stowers-institute.org/efg/R/Statistics/MixturesOfDistributions/index.htm efg Earl F. Glynn Stowers Institute for Medical Research ______________________________________________ [email protected] 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.
