Monthly Archives: April 2011

Violin and boxplots with lattice and R

Violin and boxplots with lattice and R

A violin plot is a combination of a boxplot and a kernel density plot. Lattice includes the panel.violin function for this graphical tool. This example draws a violin and a boxplot together. First, let’s download some solar radiation data from the NASA webpage: nasafile <- 'http://eosweb.larc.nasa.gov/sse/global/text/global_radiation' nasa <- read.table(file=nasafile, skip=13, header=TRUE) Now, I plot a

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A very short and unoriginal introduction to snow

April 2, 2011
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As Jian-Feng rightly pointed out in a comment on my guide to setting up snow on the OSC cluster, it was probably somewhat cavalier of me to say: Getting snow to run properly on single machines, or ever with a cluster of … Continue reading →

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Find NHL Players with 30 Goals and 100 PIM using R

April 2, 2011
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Find NHL Players with 30 Goals and 100 PIM using R

Last week Jack Edwards raised the fact that Milan Lucic was the first Bruin player to join the 30 Goal / 100 Penalty Minute club in a few years.  It got me thinking about the other players who have accomplished … Continue reading →

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Plot the Scoring Streak of an NHL Player with R

April 1, 2011
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Plot the Scoring Streak of an NHL Player with R

I am a big Boston Bruins fan and have enjoyed the ups and downs over the last few years, regardless of the catastrophes that have occurred during the playoffs.  The team struggled a few weeks ago, but have recently seemed … Continue reading →

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Phylometa from R – UDPATE

April 1, 2011
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Phylometa from R – UDPATE

A while back I posted some messy code to run Phylometa from R, especially useful for processing the output data from Phylometa which is not easily done. The code is still quite messy, but it should work now. I have run the code with tens of different d...

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Bond Market as a Casino Game Part 1

April 1, 2011
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Bond Market as a Casino Game Part 1

With this post, I am doing something I try very hard to avoid, especially when communicating to my clients, and that is blurring the line between investing and gambling.  But after reading all of Reuven Brenner’s books and finishing Ralph Vince ...

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Program announced for R/Finance 2011

April 1, 2011
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R/Finance, the conference devoted to users of R in the financial sector, takes place every year in Chicago. The program has just been announced for R/Finance 2011 (to be held April 29 and 30), and it's jam-packed with talks from on automated trading, financial risk, hedge ratios, stochastic volatility, and much, much, more. Here's the announcement from the organizers:...

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R ready to Deduce you

April 1, 2011
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R ready to Deduce you

Despite being one of the most powerful computing platforms, and being free at the same time, R still struggles against other statistical software, such as SPSS and SAS, in gaining mass appeal amongst users of statistical and market intelligence software. Many have cited the absence of a user-friendly graphical user interface (GUI)...

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R ready to Deduce you

April 1, 2011
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R ready to Deduce you

Despite being one of the most powerful computing platforms, and being free at the same time, R still struggles against other statistical software, such as SPSS and SAS, in gaining mass appeal amongst users of statistical and market intelligence software. Many have cited the absence of a user-friendly graphical user interface (GUI)...

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Workflow Articles in “The Political Methodologist”

April 1, 2011
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I've written a few times before about how to choose the software you work with, and what you should and should not care about when making those choices. I maintain a page with various resources related to this, if you're interested, most notably the Emacs Starter Kit for the Social Sciences. A revised version of an article...

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