Tagged Questions
3
votes
3answers
513 views
Fitting an exponential mixture model with interval constraints on the mixture weights
What methods are there to fit a model of the form $y=A\mathrm e^{Bx}+C\mathrm e^{Dx}+E$?
Here is the actual scientific data to be fitted: http://dl.dropbox.com/u/39499990/Ben%2C%20real%20data.xlsx
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3
votes
3answers
290 views
Fitting a pdf against Weibull pdf
I have a pdf function as follows:
$$\dfrac{1}{s+a-b} [bs e^{-bt} + (a-b)(s+a)e^{-(s+a)t}]$$
I want to fit this against a weibull pdf with shape=1.12 and scale=461386. I want to calculate the values of ...
4
votes
3answers
539 views
Optimization of MLE for mixture problems
I have about 1000 data points from some thick tailed distribution that I would like to fit a parametrized distribution to. From my data, I've made some adjustments and constructed an empirical ...
