1013 search results for "latex"

Reproducible Research: Running odfWeave with 7-zip

April 25, 2012
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odfWeave is an R-package that is used for making dynamic reports by Sweave processing of Open Document Format (ODF) files. For anyone new to report generation and lacking knowledge of markup languages this might be a good starting point or even a true ...

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Animations in R

April 24, 2012
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Animations in R

Animated charts can be very helpful in illustrating concepts or discovering relationships, which makes them very helpful in teaching and exploratory research. Fortunately, creating animated graphs in R is fairly straightforward, once you have the right...

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Animations in R

April 24, 2012
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Animations in R

Animated charts can be very helpful in illustrating concepts or discovering relationships, which makes them very helpful in teaching and exploratory research. Fortunately, creating animated graphs in R is fairly straightforward, once you have the right tools and understand a few basic principles about how the animations are created. In this article I’ll provide an The post Animations...

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Complex arithmetic and airplane wings

April 23, 2012
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Complex arithmetic and airplane wings

I was once told that the reason that such a shape was so commonly used for aeroplane wings was merely that then one could study it mathemtically by just employing the Zhoukowski transformation. I hope that this is not true! (R. Penrose, “The Road to Reality”, p.150) Penrose here talks about a complex holomorphic mapping

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Fancy HTML5 Slides with knitr and pandoc

April 22, 2012
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Fancy HTML5 Slides with knitr and pandoc

Karthik Ram gave an Introduction to R a couple of weeks ago, and I strongly recommend you to take a look at his cool HTML5 slides. I started trying HTML5 slides last year, and now it is difficult for me to go back to beamer, which I have used for a few...

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Phase space plot of the kicked rotor

April 21, 2012
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Phase space plot of the kicked rotor

In the idealized physical world, a rotor is simply a mass attached to an axis of length , free to move in the plane. Gravity and friction are absent. Such a rotor becomes a kicked rotor if it is periodically hit with a hammer. Every kick transfers momentum to the rotor and the time between

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Most profitable hedge fund style

April 21, 2012
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Most profitable hedge fund style

This is not an investment advice!! Couple of weeks back, during amst-R-dam user group talk on backtesting trading strategies using R, I mentioned the most effective style for hedge funds is relative value statistical arbitrage, I read it somewhere. After … Continue reading →

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knitr Performance Report-Attempt 2

April 18, 2012
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knitr Performance Report-Attempt 2

Over the years I have changed my learning process from reading thoroughly first before proceeding to reading minimally and then applying immediately.  I very quickly see the gaps in my knowledge.  This method is far more painful but seems to ...

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Linguistic Notation Inside of R Plots!

April 14, 2012
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Linguistic Notation Inside of R Plots!

So, I've been playing around with learning knitr, which is a Sweave-like R package for combining LaTeX and R code into one document. There's almost no learning curve if you already use Sweave, and I find a lot of knitr's design and usage to be a lot nicer.I wasn't going to make a blog post or tutorial about...

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knitr Performance Report-Attempt 1

April 13, 2012
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knitr Performance Report-Attempt 1

I get very excited about new R packages, but rarely is my excitement so fulfilled as with knitr.  Even with no skill, I have already been able to adapt the example Yihui Xie provides in his knitr Graphics Manual into a crude first version of a per...

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