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1 vote
1 answer
136 views

Deciding the Number of Clusters : Standard Methods vs. Non-Parametric Methods

I was watching this video over here (https://www.youtube.com/watch?v=UBiaLq5V7mE) that discussed a Non-Parametric based Bayesian approach for deciding the number of clusters in a dataset. Essentially, ...
stats_noob's user avatar
11 votes
1 answer
514 views

Do Stochastic Processes such as the Gaussian Process/Dirichlet Process have densities? If not, how can Bayes rule be applied to them?

The Dirichlet Pocess and Gaussian Process are often referred to as "distributions over functions" or "distributions over distributions". In that case, can I meaningfully talk about the density of a ...
snickerdoodles777's user avatar
4 votes
1 answer
530 views

Is parametric Bayesian inference a special case of nonparametric Bayesian inference?

I'm thinking about univariate density estimation. Original Question In parametric inference, you assume the data are generated from a density that can be summarized by finitely-many parameters. You ...
jcz's user avatar
  • 1,425
1 vote
0 answers
31 views

Estimating Gamma PDF parameters from data with negative increments

Say we have collected data, and from a physical perspective we know that the collected data should increase positively with time. However the data looks more like this: This data shown in the figure ...
AnarKi's user avatar
  • 565