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Results tagged with finite-mixture-model
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user 245769
a model that represents the presence of subpopulations within an overall population and describes the data in terms of a mixture distribution.
2
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1
answer
943
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Is there a way to determine the number of the mixture components prior to run EM algorithm
I am working with mixture models. The common way to determine the number of
the mixture components is fitting several mixture models with a different number of mixture components and then select the b …
- 316
0
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0
answers
137
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Would estimating a mixture model using MLE or EM provide different results?
I have built a very hard mixture R (code) using EM-algorithm. My supervisor asked me to repeat the estimation using MLE as it is simpler than EM-algorithm. Building another complex R code will take a …
- 316
0
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0
answers
199
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latent variables in EM algorithm are assumed to be i.i.d from multinomial distribution, from...
In EM algorithm we introduce a latent variables, say $z_i$, $i=1,...n$, $n$ is the number of the mixture component. These variables ($z_i$) are assumed to be independent and identically distributed fr …
- 316