Monthly Archives: August 2012

Zzzzzz….. – Quantified Self Toronto #14

August 12, 2012
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Zzzzzz….. – Quantified Self Toronto #14

Sleep is another one of those things like diet, where I feel if you asked anyone if they wanted to improve that area of their life most would say yes.I remember hearing a quote that sleep is like sex; no one is quite sure how much everyone else is getting, but they are pretty sure it is more than...

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Rgdal Package: R crash during "writeGDAL" solved

August 12, 2012
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Lost entire day fighting this ridicules crash during export of raster created in R to GeoTiff (other "rgdal" functions worked fine). This option worked well several months ago when I last time used it, so I wondered what happened. I searched ...

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The Social Dynamics of the R Core Team

August 12, 2012
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The Social Dynamics of the R Core Team

Recently a few members of R Core have indicated that part of what slows down the development of R as a language is that it has become increasingly difficult over the years to achieve consensus among the core developers of the language. Inspired by these claims, I decided to look into this issue quantitatively by

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Zurich, Jul 2012 – Advanced Portfolio eBook

August 12, 2012
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(This article was first published on Rmetrics blogs, and kindly contributed to R-bloggers) To leave a comment for the author, please follow the link and comment on his blog: Rmetrics blogs. R-bloggers.com offers daily e-mail updates about R news and tutorials on topics such as: visualization (ggplot2, Boxplots, maps, animation), programming (RStudio, Sweave, LaTeX, SQL, Eclipse, git, hadoop, Web...

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Now That We Live in Seattle

August 11, 2012
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It has been just a few weeks since my wife, my son, and I moved to Seattle so that I could begin my postdoc at The Hutch. Now that we have been here a short time and are settled, we intend to start exploring Seattle, doing typical touristy things as we...

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What have I been doing all these years?!

August 11, 2012
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What have I been doing all these years?!

In which Mo Farah et al show James that he's got a nasty heel-strike

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Tcl/Tk GUI Example with Variable Input by User

August 11, 2012
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Tcl/Tk GUI Example with Variable Input by User

I recently used R with GUI-elements for the first time and browsed through the available online resources, but I didn't quite find what I was searching for: The user should be able to put in some variables and call a function with a button. In the end ...

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Universal portfolio, part 10

August 10, 2012
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Universal portfolio, part 10

Part 9 compared the wealth of Universal against other portfolio selection algorithms by using the experimental cumulative distribution function of the relative wealth.  This leads to a very compact representation, but it completely hides the ...

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RcppExamples 0.1.4

August 10, 2012
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An updated version 0.1.4 of the RcppExamples package is now on on CRAN. RcppExamples contains a few illustrations of how to use Rcpp. The NEWS entry is below: a new example was added illustrating use of the (vectorised) random-number generators...

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Animated GIF Annual Correlation of 48 Industries for 50 Years

August 10, 2012
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Animated GIF Annual Correlation of 48 Industries for 50 Years

Inspired by http://blogs.reuters.com/felix-salmon/2012/08/06/chart-of-the-day-hft-edition/, I thought I would build on 48 Industries (Dendrogram Ordered) Over 50 Years, “Trend is Not Your Friend” Applied to 48 Industries, and 48 Industries Since 19...

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