2677 search results for "gis"

Upcoming events

November 20, 2012
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Upcoming events

New Events  Thalesians (London) 2012 November 21: Isabel Ehrlich on “Basket Options with Smile”. Abstract: Due to the distinct lack of models for basket options that remain consistent with the market smile we look at approximations that are able to accurately replicate the volatility smile. Notably we turn to the use of an Edgeworth series … Continue reading...

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Prime Factorization Visualization with R and Shiny

November 20, 2012
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Prime Factorization Visualization with R and Shiny

Quite a lot of people have had fun recently with prime factorization. It all started on The Math Less Traveled, then various versions of the prime factorization diagrams appeared (here, here, this animated one, etc., they are actually more or less listed here). So I wanted to have fun too and give a try...

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Drawdown Determined Position Size

November 19, 2012
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Drawdown Determined Position Size

This caught my eye as I searched for some more academic research on my favorite risk measure drawdown. Yang, Z. George and Zhong, Liang,Optimal Portfolio Strategy to Control Maximum Drawdown - The Case of Risk Based Dynamic Asset Allocation (February ...

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A quick function for editing CSV files in R

November 19, 2012
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I’ve been hunting for a lightweight CSV editor for OSX so I could to make fixes to data files and not need to fire up Excel. While you can edit a CSV file in any text editor, it’s a pain to navigate the files without a spreadsheet-like interface. Unfortunately there doesn’t seem to be a good,...

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Join us at BIWA Summit 2013!

November 19, 2012
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Registration is now open for BIWA Summit 2013.  This event, focused on Business Intelligence, Data Warehousing and Analytics, is hosted by the BIWA SIG of the IOUG on January 9 and 10 at the Hotel...

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Gathering RealClearPolitics Polling Trends with XML

November 19, 2012
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Gathering RealClearPolitics Polling Trends with XML

Now that the election is over, you may want to use polling data in a model of the campaign. Simon Jackman has thoughtfully made his daily state-by-state predictions available for download, but a commonly-used dataset is the RealClearPolitics polling a...

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Italian bioR Day at PTP

November 19, 2012
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On the 30th of November 2012 Parco Tecnologico Padano (PTP) Lodi, will host the event "Italian BioR Day". Italian BioR Day, promoted by Parco Tecnologico Padano (PTP) and Quantide srl, is linked to the events organized by MilanoR. It will … Continue reading →

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Get the exit polls from CNN using R and Python

November 17, 2012
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Yesterday I posted an example of plotting 2012 U.S. presidential exit poll results using ggplot2. There I took for granted that a data.frame containing all we need resides in a file called "PresExitPolls2012.Rdata". Today I want to show how I scraped t...

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Making sense of random effects

November 16, 2012
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Making sense of random effects

The other night in my office I got into a discussion with my office mate, the brilliant scientist / amazing skier Dr. Thor Veen about how to understand the random effect variance term in a mixed-effects model. Thor teaches the R statistics course here at UBC, and last night a student came to the office...

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Revolution Newsletter: November 2012

November 16, 2012
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The most recent edition of the Revolution Newsletter is out. The news section is below, and you can read the full November edition (with highlights from this blog and community events) online. You can subscribe to the Revolution Newsletter to get it monthly via email. Now Available: Revolution R Enterprise 6.1 The latest release of Revolution Analytics' enterprise-ready data...

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