Monthly Archives: August 2012

Olympic body match and 1:1 BMI

August 1, 2012
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Olympic body match and 1:1 BMI

In my morning attempt to read the whole internet before beginning work, I came across a program on the BBC website which allows you to see which Olympic athletes are your body doubles. Or rather, which athletes share your height and weight, and therefore your body mass index. Being a Canadian, I exist in an

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Building a presentation, report or paper in R

August 1, 2012
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If you need to build a presentation, obviously you have following options: Powerpoint alike presentation Online engines LaTex The first two are beloved by business people and the third one is widely used in academia. The objective of the first group is shiny presentation, contrary to the second where asceticism and demand for automation are

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Examples of profiling R code

August 1, 2012
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Examples of profiling R code

by Yanchang Zhao, RDataMining.com Below are simple examples of profiling R code, which help to find out which steps or functions are most time consuming. It is very useful for improving efficiency of R code. # profiling of running time … Continue reading →

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Trying Julia

August 1, 2012
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Trying Julia

In my previous post I tried building Williams designs in R. Since that code was running a bit slow, this was an ideal test for Julia. Big enough to be at least slightly realistic, small enough that it is doable.I am very impressed. Almost twenty fold s...

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Rook rocks! Example with googleVis

August 1, 2012
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Rook rocks! Example with googleVis

What is Rook?Rook is a web server interface for R, written by Jeffrey Horner, the author of rApache and brew. But unlike other web frameworks for R, such as brew, R.rsp (which I have used in the past1), Rserve, gWidgetWWWW or sumo (which I haven't used...

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Highlights from the useR! 2012 conference

August 1, 2012
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Highlights from the useR! 2012 conference

Video (screencast) of the presentation by Szilard Pafka at the Los Angeles R users group. I summarized (with short demos) a few of the talks from the useR! 2012 conference. We are planning one more meetup to cover more talks. … Continue reading →

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