1206 search results for "tutorial"

Summer school in Gran Paradiso

June 19, 2011
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Summer school in Gran Paradiso

The Parco Nazionale Gran Paradiso and the Università di Pavia are organising a summer school on “Advances in species distribution modelling in ecological studies and conservation” in Pavia and Cogne, 12-18 September 2011. This school includes R and Winbugs tutorials, regular classes, plus a field trip to the park, so this sounds quite exciting (at

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Efficient loops in R — the complexity versus speed trade-off

June 18, 2011
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I've written before about the up- and downsides of the plyr package -- I love it's simplicity, but it can't be mindlessly applied, no pun intended. This week, I started building a agent-based model for a large population, and I figured I'd use something like a binomial per-timestep birth-death process for between-agent connections. My ballpark...

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Further Bernoulli factories

June 15, 2011
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Further Bernoulli factories

Yesterday, Andrew Thomas and José Blanchet posted a note on the Bernouilli factory on arXiv. This short paper links with the recent paper of Flegal and Herbei I commented earlier. Considering the special target Thomas and Blanchet develop an elaborate scheme of cascading envelopes that converge to f from above. Their paper is very clear

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Automating R Scripts on Amazon EC2

June 9, 2011
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Automating R Scripts on Amazon EC2

Overview: How to setup R on an EC2 instance of Ubuntu 11.04 (Natty Narwhal) How to setup Apache Tomcat 6.0 web server and configuring it with basic authentication so that we can view our output from R on a password … Continue reading →

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Making Simple Packages in R on Windows

June 8, 2011
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Making Simple Packages in R on Windows

There are any number of short tutorials on making add on R packages on your Windows machine. This is yet another version of that process. I’ve explained what I did in 10 easy steps on the pages, but I’ll give a brief overview here. In the first step I spent some time updating my R

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Visualizing small-scale paired data – combining boxplots, stripcharts, and confidence-intervals in R

June 3, 2011
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Visualizing small-scale paired data – combining boxplots, stripcharts, and confidence-intervals in R

Sometimes when working with small paired data-sets it is nice to see/show all the data in a structured form. For example when looking at pre-post comparisons, connected dots are a natural way to visualize which data-points belong together. In R this can be easily be combined with boxplots expressing the overall distribution of the data.  This

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ARMA Models for Trading, Part IV

May 31, 2011
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ARMA Models for Trading, Part IV

All posts in this series were combined into a single, extended tutorial and posted on my new blog. The last post promised to show some back testing results for the ARMA techniques. I decided to use the S&P 500 index for this purpose. What really impresses me in the above char it the staggering performance

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sab-R-metrics: GIF Movies and Pitch Flights (Guest Post)

May 31, 2011
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sab-R-metrics: GIF Movies and Pitch Flights (Guest Post)

A couple weeks ago, I received an email from a fellow Pitch F/Xer and R-User, Josh Weinstock, asking if I was interested in a guest post here at Prince of Slides. I didn't think I was important enough to have talented guests posting at my blog; howeve...

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Which R documents to read, and which R packages to use

May 29, 2011
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Which R documents to read, and which R packages to use

There are lots of R documents and over 3000 R packages. Which documents to start with and which R packages to use are questions faced by many people. If you are new to R, an Introduction to R can be … Continue reading →

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Panel Estimation

This tutorial should illustrate how to employ bms with panel data. For the purpose of illustration we will use the data put forward in Moral-Benito (2011) and made publicly available at

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