Bayesian Learning

author: Zoubin Ghahramani, Department of Engineering, University of Cambridge
published: Feb. 25, 2007,   recorded: May 2005,   views: 41428

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Bayes Rule provides a simple and powerful framework for machine learning. This tutorial will be organised as follows:

1. I will give motivation for the Bayesian framework from the point of view of rational coherent inference, and highlight the important role of the marginal likelihood in Bayesian Occam's Razor.

2. I will discuss the question of how one should choose a sensible prior. When Bayesian methods fail it is often because no thought has gone into choosing a reasonable prior.

3. Bayesian inference usually involves solving high dimensional integrals and sums. I will give an overview of numerical approximation techniques (e.g. Laplace, BIC, variational bounds, MCMC, EP...).

4. I will talk about more recent work in non-parametric Bayesian inference such as Gaussian processes (i.e. Bayesian kernel "machines"), Dirichlet process mixtures, etc.

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Reviews and comments:

Comment1 Mahmod, November 5, 2007 at 6:17 p.m.:

why video stops after 1 min , I can't see more .

Comment2 Avi, February 4, 2008 at 11:52 a.m.:

The video stops after a minute.

Comment3 NG, February 11, 2008 at 3:21 p.m.:

Yes, same here. I also tried playing to RealVideo (instead of Windows media player) and found the same problem again.

Comment4 Mostafa, March 29, 2008 at 11:30 a.m.:

thanks to Zoubin and you but i have same problems with viewing it.

Comment5 Greg, May 12, 2008 at 8:01 a.m.:

That's not really a player problem but people preparing this streaming... We are wasting time here.... Shame, was looking for lecture on this.

Comment6 Sumod, May 18, 2008 at 2:52 a.m.:

Just drag it a bit and it works... :)

Comment7 Carlos Pinheiro, January 4, 2009 at 1:24 a.m.:

The lecture is most interesting and insightful. I am a PhD student in Lisbon University and the presentation on bayesian methods helped me to come across not only the big picture underpinning these methods, but also some very important details and possibel applications.
Thank you Professor Gharahmani

Comment8 Oliver Mitevski, August 11, 2009 at 12:33 a.m.:

Very nice and inspiring lecture. I'll check out the other talks from Professor Gharahmani, because he is an amazing lecturer. Thanks a lot!

Comment9 santa's helper, December 15, 2010 at 3:09 a.m.:

try a free program called Streamtransport to download from jwplayer type flash videos over rtmp transport layer.

Comment10 Nicolas Edwards, September 26, 2014 at 6:04 a.m.:

Videolecture needs to put the videos on youtube. You guys do not know how to properly stream this highly important material. Feed stutters to the point of being un-watchable.

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