3957 search results for "git"

R Shiny svg with no d3

December 18, 2012
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R Shiny svg with no d3

Paul Murrell’s Technical Report reminded me that svg in the browser does not require d3.  With his package gridSVG, we can do all sorts of wonderful things without leaving R.  I think I prefer the power of d3.js, but here is an example (doe...

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NHS Winter Situation Reports: Shiny Viewer v2

December 18, 2012
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NHS Winter Situation Reports: Shiny Viewer v2

Having got my NHS Winter sitrep data scraper into shape (I think!), and dabbled with a quick Shiny demo using the R/Shiny library, I thought I’d tidy it up a little over the weekend and long the way learn a few new presentation tricks. To quickly recap the data availability, the NHS publish a weekly

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From d3 to pdf (hopefully knitr) with R Shiny

December 17, 2012
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From d3 to pdf (hopefully knitr) with R Shiny

Although I think I like the d3, R, and Shiny team the best, I could definitely envision a big need for multi-page pdf reports created with R, knitr, and latex delivered to the browser with Shiny.  Shiny helpfully provides pre-built functionality t...

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Stan and RStan 1.1.0

December 17, 2012
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Stan and RStan 1.1.0

We’re happy to announce the availability of Stan and RStan versions 1.1.0, which are general tools for performing model-based Bayesian inference using the no-U-turn sampler, an adaptive form of Hamiltonian Monte Carlo. Information on downloading and installing and using them is available as always from Stan Home Page: http://mc-stan.org/ Let us know if you have The post Stan...

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Florence Nightingale and the importance of Data Visualization

December 17, 2012
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Florence Nightingale and the importance of Data Visualization

Florence Nightingale is held as a heroine for the British people because of her work during the Crimean War. However, she would not have been so fairly recognised if she had not been also a superb statistician: in a brilliant … Continue reading →

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Who are the pollinators? (with R plot)

December 17, 2012
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Who are the pollinators? (with R plot)

I’ve been dreaming on writing a manuscript about who are the pollinators for a while, but it looks I’m not going to have the time soon, so here is an early draft of what the main figure should look like: It’s surprisingly … Continue reading →

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analyze the behavioral risk factor surveillance system (brfss) with r and monetdb

December 17, 2012
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experimental.  the behavioral risk factor surveillance system (brfss) aggregates behavioral health data from 400,000 adults via telephone every year.  it's um *clears throat* the largest telephone survey in the world and it's gotta lotta uses...

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The Inverse Herfindahl–Hirschman Index as an “Effective Number of” Parties

December 17, 2012
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The Inverse Herfindahl–Hirschman Index as an “Effective Number of” Parties

I learned of the passing of Albert Hirschman on December 11, and while better and more instructive tributes to his life can be read elsewhere, I wanted to focus on a little piece of Hirschman’s work that I use all the time: the (inverse) Herfindahl–Hirschman Index. The HHI is basically a measure of market concentration, but...

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A look at historical Value at Risk

December 17, 2012
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A look at historical Value at Risk

Historical Value at Risk (VaR) is very popular because it is easy and intuitive: use the empirical distribution of some specific number of past returns for the portfolio. Previously “The estimation of Value at Risk and Expected Shortfall” included an R function to estimate historical VaR. Generating portfolios A useful tool to explore risk models … Continue reading...

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The Eye of the World as word cloud

December 16, 2012
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The Eye of the World as word cloud

The Eye of the World is the first book of Robert Jordan's Wheel of Time books. As the last of these books will be published soon, I was wondering if natural language processing can be used to examine books like these. For this purpose I downloaded a co...

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