966 search results for "Latex"

Random variable generation (Pt 3 of 3)

January 12, 2011
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Random variable generation (Pt 3 of 3)

Ratio-of-uniforms This post is based on chapter 1.4.3 of Advanced Markov Chain Monte Carlo.  Previous posts on this book can be found via the  AMCMC tag. The ratio-of-uniforms was initially developed by Kinderman and Monahan (1977) and can be used for generating random numbers from many standard distributions. Essentially we transform the random variable of

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Arrogance sampling

January 7, 2011
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Arrogance sampling

A new posting on arXiv by Benedict Escoto on a simulation method for approximating normalising constants (i.e. evidence) with an eye-catching name! Here is the abstract This paper describes a method for estimating the marginal likelihood or Bayes factors of Bayesian models using non-parametric importance sampling (“arrogance sampling”). This method can also be used to

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Le Monde puzzle [52|solution]

January 1, 2011
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Le Monde puzzle [52|solution]

I have now received the first issue of Le Monde magazine, including the solution to puzzle #52 I solved just in time by simulated annealing! The trick is in using the following theorem: Iter(1,x,y) is divisible by 10x-1 if and only if y is divisible by 10x-1. Then the value to be found is divisible

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R-bloggers in 2010: Top 14 R posts, site statistics and invitation for sponsors

January 1, 2011
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R-bloggers in 2010: Top 14 R posts, site statistics and invitation for sponsors

A year ago (on December 9th 2009), I wrote about founding R-bloggers.com, an (unofficial) online R journal written by bloggers who agreed to contribute their R articles to the site. In this post I wish to celebrate R-bloggers’ first birthday by sharing with you: Links to the top 14 posts of 2010 Reflections about the origin of R-bloggers Statistics

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one-dimensional integrals

December 25, 2010
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one-dimensional integrals

The foundamental idea of numerical integration is to estimate the area of the region in the xy-plane bounded by the graph of function f(x). The integral was esimated by divide x to small intervals, then add all the small approximations to give a total approximation.Read More: 468 Words Totally

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one-dimensional integrals

December 25, 2010
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one-dimensional integrals

The foundamental idea of numerical integration is to estimate the area of the region in the xy-plane bounded by the graph of function f(x). The integral was esimated by divide x to small intervals, then add all the small approximations to give a total approximation.Read More: 468 Words Totally

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Questions on the parallel Rao-Blackwellisation

December 21, 2010
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Questions on the parallel Rao-Blackwellisation

Pierre Jacob and I got this email from a student about our parallel Rao-Blackwellisation paper. Here are some parts of the questions and our answer: Although I understand how the strategy proposed in the paper helps in variance reduction, I do not understand why you set b=1 (mentioned in Section 3.2) and why it plays

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Value of an R object in an expression

December 15, 2010
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Value of an R object in an expression

Just wanted to create an expression, existing of some mathematical annotation and a value of an R object. Wasn't that intuitive!

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Video of Reproducible Research with R: Melbourne R Users 1st Dec 2010

December 13, 2010
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As previously mentionedI gave a talk at Melbourne R Users Group titled "Reproducible Research and R Workflow". It covered technologies including LaTeX, Sweave, R, make, Eclipse, and git. This post shares the video. I'd like to thank Pedro Olaya for ...

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Video of Reproducible Research with R: Melbourne R Users 1st Dec 2010

December 13, 2010
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As previously mentionedI gave a talk at Melbourne R Users Group titled "Reproducible Research and R Workflow". It covered technologies including LaTeX, Sweave, R, make, Eclipse, and git. This post shares the video. I'd like to thank Pedro Olaya for fi...

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