
What exactly is the alpha in the Dirichlet distribution?
Nov 9, 2016 · The Dirichlet distribution is a generalization of the beta distribution into multiple dimensions, so you can start by learning about the beta distribution. Beta is a univariate distribution …
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 32-35 …
Dirichlet conditions for the convergence of Fourier series
May 9, 2017 · That's a case when the "sufficient" and "necessary" properties of statements come into play. Although the square wave function really doesn't satisfies the Dirichlet conditions (The definition …
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 a Dirichlet …
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 a technically …
Variants of Dirichlet's theorem on Fourier series
Feb 26, 2015 · I would like to know about generalizations of Dirichlet's theorem. Specifically: Dirichlet's theorem gives a sufficient condition for convergence of the Fourier series. Are necessary conditions …
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 of got …
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 random variable …
Dirichlet Conditions and Fourier Analysis. - Mathematics Stack Exchange
I also came across the fact that arcsin x has a convergent Fourier series but does not satisfy the Dirichlet conditions. The conditions are "not necessary" because no one proved a theorem that if the …