2185 search results for "MAP"

Time Series Cointegration in R

January 10, 2012
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Cointegration can be a valuable tool in determining the mean reverting properties of 2 time series. A full description of cointegration can be found on Wikipedia. Essentially, it seeks to find stationary linear combinations of the two vectors. The below R code, which has been modified from here, will test two series for integration and return the...

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Coming of Age: R and Spatial Data Visualisation

January 10, 2012
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Coming of Age: R and Spatial Data Visualisation

I have been using R (a free statistics and graphics sof

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Words in Politics: Some extensions of the word cloud

January 10, 2012
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Words in Politics: Some extensions of the word cloud

The word cloud is a commonly used plot to visualize a speech or set of documents in a succinct way. I really like them. They can be extremely visually pleasing, and you can spend a lot of time perusing over the words gaining new insights. That said, they don't convey a great deal of information. From a

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Feedback from vignette survey

January 8, 2012
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Feedback from vignette survey

Many thanks to all who participated in the survey about writing R package vignettes.Following my post last Thursday the responses came in quickly in the evening and all day on Friday. Since Saturday the response rate has been decreasing constantly and ...

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John Snow’s famous cholera analysis data in modern GIS formats

January 6, 2012
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John Snow’s famous cholera analysis data in modern GIS formats

In 1854 there was a massive cholera outbreak in Soho, London – in three days over 120 people died from the disease. Famously, John Snow plotted the locations of the deaths on a map and found they clustered around a pump in Broad Street – he suggested that the pump be taken out of service

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Scraping R-bloggers with Python – Part 2

January 5, 2012
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In my previous post I showed how to write a small simple python script to download the pages of R-bloggers.com. If you followed that post and ran the script, you should have a folder on your hard drive with 2409 .html files labeled post1.html , post2....

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Coat of arms of Poland challenge

January 5, 2012
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Coat of arms of Poland challenge

Last week I have experimented with coloring map of Poland in national colors. Vaidotas Zemlys improved on my effort by adding colors to map of Lithuania and posted a challenge to also add coat of arms to the plot. This proved to be a nice exe...

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Good at applying R? Be a Sales Engineer!

January 5, 2012
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Revolution Analytics is hiring! We're looking for a Sales Engineer -- someone who can show Revolution R to potential customers and really show off what R can do in an applied setting. (Fun fact: this was my first job when I left university, and it's a lot of fun.) The job description is below, please pass it along to...

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Revolution Analytics named Startup to Watch in 2012

January 4, 2012
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While we were out over the holiday break, Silicon Angle selected five open-source startups that are commercializing and contributing to open source projects as "Startups to Watch in 2012". Revolution Analytics was #2 on the list: This was a busy year for Revolution. The company released Revolution R 5.0, which included Hadoop integration, allowing users to create map/reduce jobs...

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Plotting earthquake data

January 2, 2012
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Plotting earthquake data

Since 4th September 2010 we have had over 2,800 quakes (considering only magnitude 3+) in Christchurch. Quakes come in swarms, with one or few strong shocks, followed by numerous smaller ones and then the ocasional shock, creating an interesting data … Continue reading →

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