Tags » Random Walk

When is a Markov chain a Markov chain?

I’ve been taking tutorials on the third quarter of the second-year probability course, in which the student have met discrete-time Markov chains for the first time. 912 more words

Probability Theory

independent Metropolis-Hastings

“In this paper we have demonstrated the potential benefits, both theoretical and practical, of the independence sampler over the random walk Metropolis algorithm.”

Peter Neal and Tsun Man Clement Lee…

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A (stupid) $100000 bet

I was going to ignore this, but since this is a blog and I’ve nothing better to write about, I thought I would comment on Doug Keenan’s… 635 more words

Climate Change

At the core of the Sun

The Sun has many layers but no solid surface. The Sun is a ball of plasma.

  • Plasma – an ionized gas consisting of positive ions and free electrons in proportions resulting in more or less no overall electric charge, typically at low pressures (as in the upper atmosphere and in fluorescent lamps) or at very high temperatures (as in stars and nuclear fusion reactors).
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Predicting the Economy: do economists really pay off?

It can’t be possible to accurately predict something which has been scientifically proven to follow a random walk pathway. This is the problem a lot of people believe economists face and hence “chances are just as good if you do the opposite to what an economist suggests”.  498 more words


A Hybrid Method for Airway Segmentation and Automated Measurement of Bronchial Wall Thickness on CT

IF of Medical Image Analysis: 3.654

My paper with Dr. Xu of NIH and other collaborators published a new, robust, accurate, and efficient method for airway and airway wall segmentation method in “Medical Image Analysis” journal. 328 more words


Way to....

One dayoff, I walked around the hotel and I decided to walk to Haneda airport at the end. I realized that it’s the place shooting Tokyo airport and Miss pilot! 54 more words