
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 …
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 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.
bayesian - Why is the Dirichlet distribution the prior for the ...
@Xi'an's answer (below) helped me - clarifying that the Dirichlet distribution is A prior for the multinomial, not THE prior. It's chosen because it is a conjugate prior that works well to …
Dirichlet conditions for the convergence of Fourier series
May 9, 2017 · Dirichlet conditions for the convergence of Fourier series Ask Question Asked 8 years, 7 months ago Modified 4 years, 6 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 …
calculus - Proof that the Dirichlet function is discontinuous ...
Proof that the Dirichlet function is discontinuous Ask Question Asked 12 years, 6 months ago Modified 4 years, 3 months ago
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 …
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 …
Dirichlet Conditions and Fourier Analysis. - Mathematics Stack …
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 …