1028 search results for "LaTeX"

Dynamic Content with RStudio, Markdown, and Marked.

May 15, 2012
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Dynamic Content with RStudio, Markdown, and Marked.

As Markus Gesmann recently pointed out, the new version of RStudio (0.96) has some really nice features for creating dynamic reports with Yihui Xie’s knitr. You can integrate not just R and LaTeX, but also R and Markdown (as well as some other fo...

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Blog aggregators

May 15, 2012
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A very useful way of keeping up with blogs in a particular area is to subscribe to a blog aggregator. These will syndicate posts from a large number of blogs and provide links back to the original sources. So you only need to subscribe once to get all the good stuff in that area. There are now several blog...

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generalised ratio of uniforms

May 14, 2012
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generalised ratio of uniforms

A recent arXiv posting of the paper “On the Generalized Ratio of Uniforms as a Combination of Transformed Rejection and Extended Inverse of Density Sampling” by Martino, Luengo, and Míguez from Madrid rekindled my interest in this rather peculiar simulation method. The ratio of uniforms samples uniformly on the subgraph to produce simulations from p

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New Version of RStudio (v0.96)

May 14, 2012
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New Version of RStudio (v0.96)

Today a new version of RStudio (v0.96) is available for download from our website. The main focus of this release is improved tools for authoring, reproducible research, and web publishing. This means lots of new Sweave features as well as tight integration with the knitr package (including support for creating dynamic web reports with the

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Spurious correlations and the Lasso

May 13, 2012
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Spurious correlations and the Lasso

Autocorrelation of a time series can be useful for prediction because the most recent observation of the prediction target contains information about future values. At the same time autocorrelation can play tricks on you because many standard statistical methods implicitely assume independence of measurements at different times. The correlation coefficient between two variable and has

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Discovering power laws and removing “shit”

May 10, 2012
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Discovering power laws and removing “shit”

Imagine you perform a statistical analysis on a time series of stock market data. After some transformation, averaging, and “renormalization” you find that the resulting quantity, let’s call it , behaves as a function of time like . Since you are a physicist you get excited because you have just discovered a power law. Physicists

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Use R! – Part 2

May 9, 2012
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Use R! – Part 2

Here is a follow-up of my first post about using R. For our yearly KU Leuven Geology PhD Seminar (08-09/05/2012), I quickly pasted this script together from several examples I had run into in the past, as well as some things that I have been doing myse...

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The Epic Search for the Perfect R Text Editor

May 8, 2012
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  I can never seem to get exactly what I want from an R text editor. Let me correct that, I can never seem to get exactly what I want from an R text editor on a MAC. I used to use Tinn-R  which met most  my needs: Free,lightweight with ...

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The Epic Search for the Perfect R Text Editor

May 8, 2012
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  I can never seem to get exactly what I want from an R text editor. Let me correct that, I can never seem to get exactly what I want from an R text editor on a MAC. I used to use Tinn-R  which met most  my needs: Free,lightweight with ...

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what’s wrong with package comment?!

May 3, 2012
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what’s wrong with package comment?!

I spent most of the Sunday afternoon trying to understand why defining did not have the same effect as writing the line until I found there is a clash due to the comment package… The assuredly simple code produces an error message: This is quite an inconvenience as I need to compile my solution manual

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