Monthly Archives: February 2011

Rhythms of Equality and Inequality

February 6, 2011
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Rhythms of Equality and Inequality

Today I unveil my very first statistical YouTube video! I will do anything to keep you statisfied, and if that means YouTube, then so be it. But first, some exposition: In Panama, 10 percent of the population owned 45 percent of the income in 2000, whereas the bottom 10 percent owned only 0.6 percent. How

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Latent Gaussian Models im Zürich [day 2]

February 6, 2011
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Latent Gaussian Models im Zürich [day 2]

The second day at the Latent Gaussian Models workshop in Zürich was equally interesting. Among the morning talks, let me mention Daniel Bové who gave a talk connected with the hyper-g prior paper he wrote with Leo Held (commented in an earlier post) and the duo of Janine Illian and Daniel Simpson who gave enthusiastic

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Boxplots and Beyond – Part II: Asymmetry

Boxplots and Beyond – Part II: Asymmetry

In my last post, I discussed boxplots in their simplest forms, illustrating some of the useful options available with the boxplot command in the open-source statistical software package R.  As I noted in that post, the basic boxplot is both useful...

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Clustering NHL Skaters

February 6, 2011
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Clustering NHL Skaters

I have been sitting on this post for some time now and wanted to get it out there.  The goal is to simply show how easy it is to pull live data from the web into R, massage it, and perform some analytics on it.  I am not sure how useful this analysis really is

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Twitter Analysis using R

February 6, 2011
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Twitter Analysis using R

One of the things that normally slow me down when I am learning a new tool outside working hours is the lack of an interesting project/task that forces me to investigate more about the sort of activities required to finish the project successfully. On ...

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Peeking inside R functions

February 6, 2011
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R, like all good programming languages, treats functions as first class objects. Users can create functions, pass them as arguments, and have them returned as the result of other computations. You may be familiar with passing functions as arguments if you have used the apply family of functions (i.e. apply, sapply, lapply, mapply). For example, to get get...

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“R” scripts for Metatrader ….. The first steps of many for proper trading

February 5, 2011
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“R” scripts for Metatrader ….. The first steps of many for proper trading

I have designed and developed Automated Trading Systems (ATS) for few years now. Since trading live, I have been fairly profitable (that is, I achieved my goals). However, I had the unsatisfactory feeling that I was missing some information to increase the level of trust in my systems … I was missing the proper tools

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Weight Loss Predictor

February 5, 2011
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Weight Loss Predictor

Got for 2010 Xmas a very cool book called the "4 Hour Body"(thanks Jose Santos) written by Tim Ferriss who write a previous favorite of mine about productivity, the 4 hour work week. Its an interesting book, because it has a scientific approach, it ...

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Duck typing with quantmod

February 4, 2011
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Duck typing with quantmod

This is a short example of using duck typing in a guard statement in the futile.paradigm. We are implementing a …Continue reading »

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R: Colors

February 4, 2011
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"It ain't easy being green. ~ Kermit T. F. Matt Blackwell at the SSSB has made it easy to access all the Craylola(tm) colors in R.And in case you're not familiar with the way R handles color, here are a few resources:* The best color chart for R.* Colo...

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