1025 search results for "LaTeX"

Testing recommender systems in R

June 10, 2012
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Testing recommender systems in R

Recommender systems are pervasive. You have encountered them while buying a book on barnesandnoble, renting a movie on Netflix, listening to music on Pandora, to finding the bar visit (FourSquare). Saar for Revolution Analytics, had demonstrated how to get started with some techniques for R here. We will build some using Michael Hahsler’s excellent package

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knitr Performance Report 4

June 8, 2012
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knitr Performance Report 4

please see knitR Performance Report 3 (really with knitr) and dprint, knitr Performance Report–Attempt 3, knitr Performance Report-Attempt 2 and knitr Performance Report-Attempt 1 Here is another iteration of the ongoing performance reporting attempt...

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\STATE [algorithmic package]

June 7, 2012
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\STATE [algorithmic package]

I fought with my LαTεX compiler this morning as it did not want to deal with my code: looking on forums for incompatibilities between beamer and algorithmic, and adding all kinds of packages, to no avail. Until I realised one \STATE was missing: (This is connected with my AMSI public lecture on simulation, obviously!) Filed

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Constants and ARIMA models in R

June 5, 2012
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Constants and ARIMA models in R

This post is from my new book Forecasting: principles and practice, available freely online at OTexts.com/fpp/. A non-seasonal ARIMA model can be written as (1)   or equivalently as (2)   where is the backshift operator, and is the mean of . R uses the parametrization of equation (2). Thus, the inclusion of a constant in a non-stationary ARIMA...

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Announcing The R markdown Package

June 4, 2012
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Many of you have heard about RStudio’s latest release and it’s new R Markdown feature. Today, I’d like to announce the markdown package for R, a tool for converting Markdown documents to HTML, created in collaboration with RStudio. It...

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knitcitations

May 30, 2012
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Included file 'themes/noamblog/rsscss.html' not found in _includes directory Markdown is becoming an increasingly popular platform for lightweight and online publishing. While traditional publishing tools like LaTeX and word processors have long had i...

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knitr, Slideshows, and Dropbox

May 29, 2012
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knitr, Slideshows, and Dropbox

I just noticed that Markus Gesmann has a nice post on using RStudio, knitr, Pandoc, and Slidy to create slideshows. After my recent attempt to use deck.rb to turn a Markdown/knitr file into a deck.js presentation I caved in and also decided to go with ...

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MathJax Syntax Change

May 25, 2012
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MathJax Syntax Change

We’ve just a made a change to the syntax for embedding MathJax equations in R Markdown documents. The change was made to eliminate some parsing ambiguities and to support future extensibility to additional formats. The revised syntax adds a “latex” qualifier to the $ or $$ equation begin delimiter. It looks like this: This change

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A course in statistical programming

May 25, 2012
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A course in statistical programming

Graduate students in statistics often take (or at least have the opportunity to take) a statistical computing course, but often such courses are focused on methods (like numerical linear algebra, the EM algorithm, and MCMC) and not on actual coding. For example, here’s a course in “advanced statistical computing” that I taught at Johns Hopkins

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RStudio v0.96.225 Update

May 24, 2012
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RStudio v0.96.225 Update

There’s an updated release of RStudio v0.96 available that includes some small enhancements and bugfixes, including: Comment/uncomment for Sweave and LaTeX Additional in-product documentation for R Markdown Offline support for MathJax previews More flexible handling of MathJax inline equations The release notes include a full list all of the changes. We’ve also published some additional documentation on

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