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“Inside” Functors

April 26, 2011
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“Inside” Functors

So, WordPress doesn’t like RweaveHTML, so this is posted at http://strugglingthroughproblems.blogspot.com/2011/04/inside-functors.html

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Bayesian job in Cambridge

April 26, 2011
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Bayesian job in Cambridge

Here is an email that could appeal to some readers: Job in Cambridge MRC-BSU – Bayesian statistician Career development fellow MRC Biostatistics Unit, Cambridge We are offering an exciting opportunity to work on Bayesian models for infectious disease dynamics. A statistician is required to contribute to a programme of research to develop inferential approaches to

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4 lines of R to get you started using the Rook web server interface

April 25, 2011
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4 lines of R to get you started using the Rook web server interface

Jeffrey Horner's new Rook package provides a new interface for developing R-based web applications. Rook allows the same application to run in R's built-in web server or (soon) in the rApache module. This post shows how easy it is to use the package's Rhttpd class to get started with Rook.

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Kickstarter Data Analysis: Success and Pricing

April 25, 2011
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Kickstarter Data Analysis: Success and Pricing

Kickstarter is an online crowdfunding platform for launching creative projects. When starting a new project, project owners specify a deadline and the minimum amount of money they need to raise. They receive the money (less a transaction fee) only if … Continue reading →

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Calculating DV01 using futile.paradigm

April 25, 2011
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Calculating DV01 using futile.paradigm

Here’s a short example of using the futile.paradigm for calculating the DV01 of a bond. The basic idea is to …Continue reading »

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Let’s try this again: Introducing Rook for #rstats!

April 25, 2011
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Well I totally botched my launch last week. Thankfully, my wife straightened me out: I decided to change the name of Rack to Rook so there won’t be any future confusion. And instead of rewriting all my posts last week, just read them again and every...

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Further Adventures in Visualisation with ggplot2

April 25, 2011
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Further Adventures in Visualisation with ggplot2

So I previously took a look at some data of player performance from a computer game. In this post, I’m going to do some further visualisations using ggplot2. The data consists of different types of player character, different roles for those characters, and their overall damage output (the unit here is damage per second, or

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Location Tracking on Android, too!

April 23, 2011
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Location Tracking on Android, too!

This week it was revealed that the iPhone stores users’ locations, and this immediately caused a huge firestorm of commentary by tech geeks, panic among privacy advocates, and delight to data geeks like myself. Even better/worse, it seems that the iPhone caches location traces long-term, possibly back to the date the phone was activated. I ditched my iPhone this past...

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Statisfaction on R-bloggers

April 23, 2011
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Statisfaction on R-bloggers

This is the first post of Statisfaction on R-bloggers. As an introduction: we are PhD students and postdocs at CREST, a research centre on economics and statistics located in Paris, France. We jointly share tips and tricks useful in our everyday jobs, links to various pages, articles, conferences, seminars, including a PhD student seminar at

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Visualizing iPhone location tracking with R and Google Maps

April 22, 2011
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Visualizing iPhone location tracking with R and Google Maps

Visualize location logs created by the iPhone using R and Google Maps.

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