2150 search results for "Twitter"

What’s the best platform for a high score on Canabalt?

February 23, 2011
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What’s the best platform for a high score on Canabalt?

The Web-based Flash game Canabalt, whose scores have been analyzed by R before, is now available as an iOS App. Because the app is configured to work on three different platforms: the iPad, iPhone and iPod Touch; and because players are invited to tweet their best scores at the end of the game, like this: the Twitter stream again...

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R/Finance 2011

February 23, 2011
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R/Finance 2011

I will be speaking at R/Finance 2011 in Chicago at the end of April regarding the futile.paradigm, my R language …Continue reading »

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Statistics and Computing and ABC

February 23, 2011
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Statistics and Computing and ABC

Statistics and Computing has received several papers on ABC and plans to make a special ABC issue out of these. All submissions prior to June 2011 that will be accepted will be published in this special issue. The special issue is identified as an article type on the on-line page. In case of questions or

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Stochastic approximation in mixtures

February 22, 2011
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Stochastic approximation in mixtures

On Friday, a 2008 paper on Stochastic Approximation and Newton’s Estimate of a Mixing Distribution by Ryan Martin and J.K. Ghosh was posted on arXiv. (I do not really see why it took so long to post on arXiv a 2008 Statistical Science paper but given that it is not available on project Euclid, it

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Graphing – margins, titles, mtext, workspace

February 21, 2011
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Graphing – margins, titles, mtext, workspace

This is a great post, very true, not enough of R’s graphics are well displayed online to really see how to achieve what the often ambiguous ‘help’ information suggests. http://research.stowers-institute.org/efg/R/Graphics/Basics/mar-oma/index.htm I particularly find “mtext(“lol”, outer=T)” to be particularly useful (requires “oma=c(2,2,2,2)” or similar). http://addictedtor.free.fr/graphiques/ This site is somewhat of the way there, but I’ve found

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Use R to view and manipulate the File System

February 21, 2011
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One of the best ways to learn how to code in R is to view sample scripts that people share. I recently came across this post where Michael uses R to scrape twitter and collect all sorts of great data … Continue reading →

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Dataset: Wisconsin Union Protester Tweets #wiunion

February 21, 2011
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Dataset: Wisconsin Union Protester Tweets #wiunion

   I’ve been playing with Twitter data over the last week, archiving Algerian, Egyptian, Iranian, and Chinese tweets.  I thought I’d bring the story a little closer to home this time by archiving tweets from Wisconsin Union protesters on the … Continue reading →

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Child health metrics

February 20, 2011
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Child health metrics

In analysis of Child Health data, generally z-scores or percentile groupings are used as children do not growth is not linear. The CDC (Center for Disease Control and Prevention) have released tables of data for calculating these z-scores and percentiles, and here are some scripts for R to calculate these in your sample. CLICK HERE

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R versus Matlab in Mathematical Psychology

February 20, 2011
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R versus Matlab in Mathematical Psychology

I recently attended the 2011 Australasian Mathematical Psychology Conference.This post summarises a few thoughts I had on the use of R, Matlab and othertools in mathematical psychology flowing from discussions with researchers atthe conference.I wanted...

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R versus Matlab in Mathematical Psychology

February 20, 2011
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I recently attended the 2011 Australasian Mathematical Psychology Conference. This post summarises a few thoughts I had on the use of R, Matlab and other tools in mathematical psychology flowing from discussions with researchers at the conference. I w...

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