
What exactly is the alpha in the Dirichlet distribution?
Nov 9, 2016 · The Dirichlet distribution is a distribution over the simplex, hence a distribution over finite support distributions. If you aim at a distribution over continuous distributions, you should …
Dirichlet distribution vs Multinomial distribution? - Cross Validated
May 21, 2020 · Dirichlet is commonly used as a prior on a probability vector, since it is the conjugate prior of the multinomial distribution.
probability - What is a Dirichlet prior - Cross Validated
Dec 25, 2014 · You can watch the whole presentation if you want (it is a good explanation of the Dirichlet distribution) but I think the slides will get the concept across pretty quickly. Slides 32 …
Dirichlet conditions for the convergence of Fourier series
May 9, 2017 · According to Wikipedia, Dirichlet conditions are f f must be absolutely integrable over a period. f f must have a finite number of extrema in any given bounded interval, i.e. there …
bayesian - Why is the Dirichlet distribution the prior for the ...
The Dirichlet distribution is a conjugate prior for the multinomial distribution. This means that if the prior distribution of the multinomial parameters is Dirichlet then the posterior distribution is also …
Variants of Dirichlet's theorem on Fourier series
Feb 26, 2015 · The following is Dirichlet's theorem on Fourier series: Theorem: If f(t) f (t) is a bounded periodic function which in any one period has at most a finite number of local maxima …
Why Dirichlet form are interesting? - Mathematics Stack Exchange
Jan 16, 2019 · To wrap it up, Dirichlet forms are related to a lot of interesting mathematical objects at the intersection of analysis, geometry and probability, and, what is nore, they often provide …
Drawing from Dirichlet distribution - Cross Validated
Drawing from Dirichlet distribution Ask Question Asked 12 years, 4 months ago Modified 7 years, 4 months ago
Understanding and Implementing a Dirichlet Process model
Aug 16, 2015 · 14 I am trying to implement and learn a Dirichlet Process to cluster my data (or as machine learning people speak, estimate the density). I read a lot of paper in the topic and sort …
stochastic processes - Understanding Dirichlet Process (vs Dirichlet ...
Jan 1, 2019 · Regarding the part " the Dirichlet process is a distribution where any group of subsets follows the Dirichlet distribution", can we rephrase the sentence by saying that if the …