Posts Tagged ‘ books ’

Le Monde puzzle [#887]

November 14, 2014
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Le Monde puzzle [#887]

A simple combinatorics Le Monde mathematical puzzle: N is a golden number if the sequence {1,2,…,N} can be reordered so that the sum of any consecutive pair is a perfect square. What are the golden numbers between 1 and 25? Indeed, from an R programming point of view, all I have to do is to […]

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Circular but insufficient

November 13, 2014
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Circular but insufficient

One of my students analyzed the following Economist chart for her homework. I was looking for it online, and found an interactive version that is a bit different (link). Here are three screen shots from the online version for years...

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Rasmus’ socks fit perfectly!

November 10, 2014
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Rasmus’ socks fit perfectly!

Following the previous post on Rasmus’ socks, I took the opportunity of a survey on ABC I am currently completing to compare the outcome of his R code with my analytical derivation. After one quick correction [by Rasmus] of a wrong representation of the Negative Binomial mean-variance parametrisation [by me], I achieved this nice fit… […]

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Feller’s shoes and Rasmus’ socks [well, Karl's actually...]

October 23, 2014
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Feller’s shoes and Rasmus’ socks [well, Karl's actually...]

Yesterday, Rasmus Bååth [of puppies’ fame!] posted a very nice blog using ABC to derive the posterior distribution of the total number of socks in the laundry when only pulling out orphan socks and no pair at all in the first eleven draws. Maybe not the most pressing issue for Bayesian inference in the era […]

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a bootstrap likelihood approach to Bayesian computation

October 15, 2014
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a bootstrap likelihood approach to Bayesian computation

This paper by Weixuan Zhu, Juan Miguel Marín [from Carlos III in Madrid, not to be confused with Jean-Michel Marin, from Montpellier!], and Fabrizio Leisen proposes an alternative to our 2013 PNAS paper with Kerrie Mengersen and Pierre Pudlo on empirical likelihood ABC, or BCel. The alternative is based on Davison, Hinkley and Worton’s (1992) […]

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randomness in coin tosses and last digits of prime numbers

October 7, 2014
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randomness in coin tosses and last digits of prime numbers

A rather intriguing note that was arXived last week: it is essentially one page long and it compares the power law of the frequency range for the Bernoulli experiment with the power law of the frequency range for the distribution of the last digits of the first 10,000 prime numbers to conclude that the power […]

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The winds of Winter [Bayesian prediction]

October 6, 2014
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The winds of Winter [Bayesian prediction]

A surprising entry on arXiv this morning: Richard Vale (from Christchurch, NZ) has posted a paper about the characters appearing in the yet hypothetical next volume of George R.R. Martin’s Song of ice and fire series, The winds of Winter [not even put for pre-sale on amazon!]. Using the previous five books in the series […]

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Monte Carlo simulation and resampling methods for social science [book review]

October 5, 2014
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Monte Carlo simulation and resampling methods for social science [book review]

Monte Carlo simulation and resampling methods for social science is a short paperback written by Thomas Carsey and Jeffrey Harden on the use of Monte Carlo simulation to evaluate the adequacy of a model and the impact of assumptions behind this model. I picked it in the library the other day and browse through the […]

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future of computational statistics

September 28, 2014
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future of computational statistics

I am currently preparing a survey paper on the present state of computational statistics, reflecting on the massive evolution of the field since my early Monte Carlo simulations on an Apple //e, which would take a few days to return a curve of approximate expected squared error losses… It seems to me that MCMC is […]

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a weird beamer feature…

September 23, 2014
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a weird beamer feature…

As I was preparing my slides for my third year undergraduate stat course, I got a weird error that got a search on the Web to unravel: which was related with a fragile environment but not directly the verbatim part: the reason for the bug was that the \end{frame} command did not have a line […]

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