3174 search results for "gis"

Priors

July 16, 2013
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Nick Firoozye writes: While I am absolutely sympathetic to the Bayesian agenda I am often troubled by the requirement of having priors. We must have priors on the parameter of an infinite number of model we have never seen before and I find this troubling. There is a similarly troubling problem in economics of utility The post Priors...

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ngramr – an R package for Google Ngrams

July 16, 2013
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ngramr – an R package for Google Ngrams

The recent post How common are common words? made use of unusually explicit language for the Stubborn Mule. As expected, a number of email subscribers reported that the post fell foul of their email filters. Here I will return to the topic of n-grams, while keeping the language cleaner, and describe the R package I developed

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Revolution Newsletter: July 2013

July 15, 2013
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The most recent edition of the Revolution Newsletter came out a couple of weeks ago. In case you missed it, the news section is below, and you can read the full July edition (with highlights from this blog and community events) online. You can subscribe to the Revolution Newsletter to get it monthly via email. Let’s Be Quick About...

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Getting Started with Reproducible Research: A chapter from my new book

July 15, 2013
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Getting Started with Reproducible Research: A chapter from my new book

(This article was first published on Christopher Gandrud (간드루드 크리스토파), and kindly contributed to R-bloggers) This is an abridged excerpt from Chapter 2 of my new book Reproducible Research with R and RStudio. It’s published by Chapman & Hall/CRC Press. You can purchase it on Amazon. “Search inside this book” includes a complete table of contents. Researchers often start...

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New Webinar this Wednesday: Using survival analysis for marketing attribution

July 15, 2013
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This Wednesday at 11AM Eastern Time, Revolution Analytics UK Business Services Director Andrie DeVries will present a new webinar, Using Survival Analysis for Marketing Attribution. This webinar will focus on a new application of survival analysis (more traditionally used for life sciences application) to the domain of marketing: A central question in advertising is how to measure the effectiveness...

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analyze the surveillance epidemiology and end results (seer) with r and monetdb

July 15, 2013
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the surveillance epidemiology and end results program is the aggregation of all cancer registry statistics in the united states.  created by congressional decree, seer has captured a nationally-representative quarter of american cancer incidence s...

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Throw some, throw some STATS on that map…(Part 1)

July 12, 2013
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Throw some, throw some STATS on that map…(Part 1)

R is a very powerful and free (and fun) software package that allows you to do, pretty much anything you could ever want. Someone told me that there’s even code that allows you to order pizza (spoiler alert: you actually cannot order pizza using R :( ). But if you’re not hungry, the statistical capabilities

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From Whale Calls to Dark Matter: Competitive Data Science with R and Python

July 12, 2013
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From Whale Calls to Dark Matter: Competitive Data Science with R and Python

Back in June I gave a fun talk at Montreal Python on some of my dabbling in the competitive data science scene. The good people at Savior-fair Linux recorded the talk and have edited it all together into a pretty slick video. If you can spare twenty-minutes or so, have a look. If you want

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Generate UUIDs in R

July 11, 2013
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Here a snippet of R to generate a Version 4 UUID. Dunno why there wouldn't be an official function for that in the standard libraries, but if there is, I couldn't find it. ## Version 4 UUIDs have the form: ## xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx ## where x is any hexadecimal digit and ## y is one...

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UK dialect maps

July 10, 2013
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UK dialect maps

A few weeks ago Joshua Katz published some awesome dialect maps of the United States with the help of a web interface coded with Shiny. Now we propose a similar setup for the UK data based on our rapporter.net "R-as-a-Service" with some further add-ons, like regional comparison and dynamic textual analysis of the differences: You may...

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