Monthly Archives: February 2010

Barnard’s exact test – a powerful alternative for Fisher’s exact test (implemented in R)

February 7, 2010
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Barnard’s exact test – a powerful alternative for Fisher’s exact test (implemented in R)

(The R code for Barnard’s exact test is at the end of the article, and you could also just download it from here) About Barnard’s exact test About half a year ago, I was studying various statistical methods to employ on contingency tables. I came across a promising method for 2×2 contingency tables called “Barnard’s exact test“. Barnard’s test is a non-parametric alternative to Fisher’s exact...

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Updated Tactical Asset Allocation Results

February 6, 2010
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Updated Tactical Asset Allocation Results

In November, I used the strategy in Mebane Faber's Tactical Asset Allocation paper to provide an introduction to blotter. Faber has updated the strategy's results through the end of 2009. For those interested, he expands on the paper in his book, The...

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Consumption and Shopping as an Event

February 6, 2010
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Consumption and Shopping as an Event

This is an recent project about consumption and the categorization of consumers. The whole survey you can explore on: http://www.geographie.uni-erlangen.de/projects/konsum/ (german!). For the evaluation, R was used. “Der Verhaltensraum des Konsumenten – The Space of Consumer Behaviour” The Space shows the consumer in the center of a two dimensional abstract space. He is able to

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Time-Space Analysis with R

February 6, 2010
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Time-Space Analysis with R

Beside the visualisation of TimeSpace Tracks, I’m trying to find a way to analyze GPX-Tracks with statistical software. This are the first results with R (The R Project for Statistical Computing):   ^This graph is a result of the analysis with the package trip (Spatial analysis of animal track data). Unfortunatelly i’m do not understand

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R / Finance 2010 Open for Registration

February 5, 2010
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The annoucement below went out to R-SIG-Finance earlier today. For information is as usual the the R / Finance 2010 page: Now open for registrations: R / Finance 2010: Applied Finance with R April 16 and 17, 2010 Chicago, IL, USA The second annu...

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R / Finance 2010 Open for Registration

February 5, 2010
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The annoucement below went out to R-SIG-Finance earlier today. For information is as usual the the R / Finance 2010 page: Now open for registrations: R / Finance 2010: Applied Finance with R April 16 and 17, 2010 Chicago, IL, USA The second annual ...

Read more »

R / Finance 2010 Open for Registration

February 5, 2010
By

The annoucement below went out to R-SIG-Finance earlier today. For information is as usual the the R / Finance 2010 page: Now open for registrations: R / Finance 2010: Applied Finance with R April 16 and 17, 2010 Chicago, IL, USA The second annu...

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[Event] R / Finance 2010: Applied Finance with R

February 5, 2010
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[Event] R / Finance 2010: Applied Finance with R

One of the greatest event on R is under way… R / Finance 2010: Applied Finance with R April 16 & 17, Chicago, IL, US The second annual R / Finance conference for applied finance using R, the premier free software system for statistical computation and graphics, will be held this spring in Chicago, IL, USA on Friday April 16

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R/Finance 2010: Registration Open

February 5, 2010
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R/Finance 2010: Registration Open

As posted by Dirk Eddelbuettel on R-SIG-Finance: R / Finance 2010: Applied Finance with R April 16 & 17, Chicago, IL, US The second annual R / Finance conference for applied finance using R, the premier free software system for statistical comput...

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Because it’s Friday: Evolution in song

February 5, 2010
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With thanks to my favourite science blog Bad Astronomy, the late great Carl Sagan sings again, this time on the topic of evolution. He's joined by autotuned Richard David Attenborough and Jane Goodall. Great stuff. Bad Astronomy: The Unbroken Thread

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