999 search results for "LaTeX"

“Hold Only That Pair of 2s?” Studying a Video Poker Hand with R

January 8, 2012
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“Hold Only That Pair of 2s?” Studying a Video Poker Hand with R

Whenever I tell people in my family that I study Statistics, one of the first questions I get from laypeople is “do you count cards?” A blank look comes over their face when I say “no.” Look, if I am at a casino, I am well aware that the odds are against me, so why even try to think that...

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useR! 2012 Simple Abstract Helper

January 3, 2012
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useR! 2012 Simple Abstract Helper

useR! 2012 has issued a call for abstracts! I've extended the WebSweave concept to offer a tool to create simple abstracts online, including those with markup, which may then be submitted at the conference website. Use the following link for the Simple Abstract Helper.

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Decoding a Substitution Cipher using Simulated Annealing

January 1, 2012
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Decoding a Substitution Cipher using Simulated Annealing

My last post discussed a method to decode a substitution cipher using a Metropolis-Hastings algorithm. It was brought to my attention that this code could be improved by using Simulated Annealing methods to jump around the sample space and avoid some of the local maxima. Here is a basic description of the difference: In a

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Top 20 R posts of 2011 (and some R-bloggers statistics)

January 1, 2012
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Top 20 R posts of 2011 (and some R-bloggers statistics)

R-bloggers.com is now two years young. The site is 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’ second birthmounth by sharing with you: Links to the top 20 posts of 2011 Statistics on “how well” R-bloggers did Read more...

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Is R turning into an operating system?

December 31, 2011
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Is R turning into an operating system?

Over the years I convinced my colleagues and IT guys that R and LaTeX/XeLaTeX is the way forward to produce lots of customer reports with individual data, charts, analysis and text. Success!But of course the operating system in the office is still MS W...

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Call for Abstracts for useR! 2012

December 24, 2011
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The international R User Conference useR! 2012 will be held June 12-15 at Vanderbilt University in Nashville, Tennessee, USA, with a pre-conference full-day course offered on June 11. Participants are encouraged to submit a one-page abstract for oral or poster presentation at the conference. Half-day tutorials will be held in the morning and afternoon of June 12th. For tutorials,...

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R 2.14.1 is released

December 22, 2011
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Peter Dalgaard announced today the release of the new R version 2.14.1.  Bellow is the announcement.  For R users who are using windows, I suggest to also have a look at one of the following two posts, suggestion an alternative strategy for how to more easily upgrade R under Windows XP, or under windows 7 (which tends to have more permission...

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TikZ and R

December 20, 2011
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TikZ and R

TikZ is an awesome macro for producing beautiful graphics in LaTeX. I use it constantly as it has a very intuitive syntax, and it is easy to define global settings for your plots, ensuring that the graphics in your paper are all uniformly styled. One t...

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To Sweave, or not to Sweave, that is the question

December 16, 2011
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To Sweave, or not to Sweave, that is the question

I am about to start writing up the manuscript of my recent biomath seminar (Act 3: Pineda-Krch. 2011. Cycles at the edge of existence: Emergence of quasi-cycles in strongly destabilizedecosystems.). While the slides for the talk were put together using Sweave … Continue reading →

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Psycho dice and Monte Carlo

December 16, 2011
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Psycho dice and Monte Carlo

Following Pierre’s post on psycho dice, I want here to see by which average margin repeated plays might be called influenced by mind will. The rules are the following (exerpt from the novel Midnight in the Garden of Good and Evil, by John Berendt): You take four dice and call out four numbers between one

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