2722 search results for "GIS"

The 50 most used R packages

April 5, 2012
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The 50 most used R packages

Ask anyone what makes R a great language, one argument that often comes back is its very active community. Proof is the impressive number of packages contributed by developers from all horizons and backgrounds. The CRAN website alone lists 3,725 p...

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Compete in the Data Science Hackathon, April 28

April 5, 2012
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All around the world at noon GMT on April 28, data scientists around the world will compete in the world's first one-day International Data Science Hackathon, organized by Data Science London. Participants will receive a data set at the beginning of the event, and work in teams of 3-5 over the following 24 hours to create the best predictive...

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Gaussian process regression with R

April 5, 2012
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Gaussian process regression with R

I’m currently working my way through Rasmussen and Williams’s book on Gaussian processes. It’s another one of those topics that seems to crop up a lot these days, particularly around control strategies for energy systems, and thought I should be able to at...

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Data Science Undefined

April 4, 2012
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One of the favorite bar room discussions of statisticians, machine learners, and computer scientists is – what is data science? (And I don’t care whether it happens in a bar or not, it’s a “bar room” discussion by virtue of...

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Rudd, the last one standing?: Federal implications of QLD state election results

April 4, 2012
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Rudd, the last one standing?: Federal implications of QLD state election results

Labor won 15 of Queensland’s 29 House of Reps seats in the 2007 Federal election (AEC details here). Yet just three years later, in the 2010 Federal election, Labor won only 8 of 30 Queensland Reps seats, with 33.6% of 1st preferences (a swing of -9.3 percentage points). Labor’s best performance on 1st preferences in

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Marketing optimization with LityxIQ

April 3, 2012
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Marketing is one of the pioneering domains when it comes to applications of predictive analytics to Big Data. (For example, how Target used statistical modeling to predict demographic attribues of customers, like pregnancy, to target coupons.) To get such powerful insights into the hands of marketers, DC-area company LityxIQ provides a cloud-based solution: LityxIQ, "an integrated hosted analytics platform...

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Working with Globcolour data

April 2, 2012
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Working with Globcolour data

The Globcolour project (http://www.globcolour.info/) provides relatively easy access to ocean color remote sensing data. Data is provided at http://hermes.acri.fr/and the following parameters are available:· Chlorophyll-a (CHL1 and CHL2)· Fully normalised water leaving radiances at 412, 443, 490, 510, 531, 550-565, 620, 665-670, 681 and 709 nm (Lxxx)· Coloured dissolved and detrital...

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Simple data mining and plotting data on a map with ggplot2

April 2, 2012
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Simple data mining and plotting data on a map with ggplot2

In this post I use OpenStreetsMaps and ggplot2 to plot geographically were psychologists live, using data from a facebook document.

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More on Philadelphia Homicide

March 31, 2012
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More on Philadelphia Homicide

I've been doing more analysis of the Philadelphia Homicide data that the Philadelphia Inquirer has published, and presented some of it at the Philadelphia UseR group yesterday. My slides and source are on github.I should be clear tha...

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Draw Your Breast with CloudStat – A R Apps (for fun)

March 31, 2012
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Draw Your Breast with CloudStat – A R Apps (for fun)

This is a simple apps, called “Draw Your Breast with R“  created with R to generate Breast alike graphics. With this Draw Your Breast with R apps, you can change 4 parameters which are Theta, Phi, Expand and Color to generate graphics like...

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