Monthly Archives: April 2012

spam evolution

April 26, 2012
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spam evolution

Despite some rather modest protection (like a simple captcha), I still receive spammy comments on this blog every now and again. They’re easily spotted and actually never appear on the website. There’s obviously an incentive for the spammer to post … Continue reading →

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R Tips: lots of tips for R programming

April 26, 2012
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R Tips: lots of tips for R programming

by Yanchang Zhao, RDataMining.com There are more than 100 R tips at http://pj.freefaculty.org/R/Rtips.html, which provide quick examples to small challenges in everyday R programming, especially for users switching from other languages to R. There is also a .PDF version for … Continue reading →

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More PubMed data mining: looking at top 20 CBT journals

April 26, 2012
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More PubMed data mining: looking at top 20 CBT journals

In this short article I present some data of the top 20 Cognitive Behavior Therapy (CBT) journals with the most PubMed publications, and compare that to data from 2010 and 2011.

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Installing R packages without admin rights on MS Windows

April 26, 2012
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Installing R packages without admin rights on MS Windows

Is there a life outside the office?Photo: Markus GesmannIt is not unusual that you will not have admin rights in an IT controlled office environment. But then again the limitations set by the IT department can spark of some creativity. And I have to ad...

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Graphing Predicted Legislative Violence with Zelig & ggplot2

April 25, 2012
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Graphing Predicted Legislative Violence with Zelig & ggplot2

In my previous post I briefly mentioned an early draft of a working paper (HERE) I've written that looks into the possible causes of violence between legislators (like the violence shown in this picture from the Turkish Parliament).  From The GuardianIn this...

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Late-April flotsam

April 25, 2012
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Late-April flotsam

It has been month and a half since I compiled a list of statistical/programming internet flotsam and jetsam. Via Lambda The Ultimate: Evaluating the Design of the R Language: Objects and Functions For Data Analysis (PDF). A very detailed evaluation … Continue reading →

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LeaRning R

April 25, 2012
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If, like me, you're still an R novice, you'll no doubt find this post on Pairach Piboonrungroj's blog extremely helpful. Among other things, Pairach provides links to 20 40 "R tutorials". It's a really nice resource!H.T. to David Smith for posting about this on the Revolutions blog.© 2012, David E. Giles

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Big Data, R and HANA: Analyze 200 Million Data Points and Later Visualize in HTML5 Using D3 – Part II

April 25, 2012
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Big Data, R and HANA: Analyze 200 Million Data Points and Later Visualize in HTML5 Using D3 – Part II

In my last blog, Big Data, R and SAP HANA: Analyze 200 Million Data Points and Later Visualize Using Google Maps, I analyzed historical airlines performance data set using R and SAP HANA and put the aggregated analysis on Google Maps.  Undoub...

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Live Longer – Choose Your Country Wisely (if you can)

April 25, 2012
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Live Longer – Choose Your Country Wisely (if you can)

Full democracy countries are the ones in which to live. This week's story could start and end with the above graph with almost no further explanation. But that wouldn't do it justice. So, like so many of the past articles on "Graph o...

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Further evidence that mindfulness meditation might bolster creativity

April 25, 2012
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Further evidence that mindfulness meditation might bolster creativity

Introduction I recently wrote an article about if mindfulness could aid in insight problem solving. The problem with the study, I referenced to in my article, was that it did not strictly investigate the mechanism behind mindfulness’ effect, or the impact of different techniques. However, last week a Read more »

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