1223 search results for "maps"

Exploration of Letter Make Up of English Words

October 31, 2014
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Exploration of Letter Make Up of English Words

This blog post will do a quick exploration of the grapheme make up of words in the English. Specifically we will use R and the qdap package to answer 3 questions: What is the distribution of word lengths (number of … Continue reading →

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Wrangling F1 Data With R – F1DataJunkie Book

October 30, 2014
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Wrangling F1 Data With R – F1DataJunkie Book

Earlier this year I started trying to pull together some of my #f1datajunkie R-related ramblings together in a book form. The project stalled, but to try to reboot it I’ve started publishing it as a living book over on Leanpub. Several of the chapters are incomplete – with TO DO items sketched in, others are

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My Commonly Done ggplot2 graphs

October 30, 2014
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My Commonly Done ggplot2 graphs

In my last post, I discussed how ggplot2 is not always the answer to the question “How should I plot this” and that base graphics were still very useful. Why Do I use ggplot2 then? The overall question still remains: why (do I) use ggplot2? ggplot2 vs lattice For one, ggplot2 replaced the lattice package

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R Class for Wildfire Scientists

October 29, 2014
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R Class for Wildfire Scientists

This entry is part 14 of 14 in the series Using RMazama Science has just finished creating class materials on using R for the AirFire team at the USFS Pacific Wildland Fire Sciences Lab in Seattle, Washington. This team of …   read more ...

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Visualizing the History of Epidemics

October 27, 2014
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Visualizing the History of Epidemics

I really like National Geographic. Their magazine is great, their television documentaries are done well and they helped give me a lifelong love of maps. They generate very good information and help shed light on the world we all share. So why is this graphic so awful? Let's have a look: We'll start off by

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Call for participation: AusDM 2014, Brisbane, 27-28 November

October 25, 2014
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Call for participation: AusDM 2014, Brisbane, 27-28 November

********************************************************* 12th Australasian Data Mining Conference (AusDM 2014) Brisbane, Australia 27-28 November 2014 http://ausdm14.ausdm.org/ ********************************************************* The Australasian Data Mining Conference has established itself as the premier Australasian meeting for both practitioners and researchers in data mining. Since AusDM’02 the conference … Continue reading →

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Using WrightMap with the TAM package

October 24, 2014
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Using WrightMap with the TAM package

WrightMap features close integration with Conquest, allowing you to easily read from its output files. However, this is just a nice convenience for Conquest users, as WrightMap was designed to create beautiful item-person plots simply reading standard R matrices; all you need is a matrix of item parameters and a matrix of person estimates and you can start creating...

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Making an R Package to use the HERE geocode API

October 23, 2014
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HERE is a product by Nokia, formerly called Nokia maps and before that, Ovi maps. It's the result of the acquisition of NAVTEQ in 2007 combined with Plazes and Metacarta, among others. It has a geocoding API, mapping tiles, routing services, and other things. I'm focused on the geocoding service. Under the “Base” license,...

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Modeling Plenitude and Speciation by Jointly Segmenting Consumers and their Preferences

October 21, 2014
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Modeling Plenitude and Speciation by Jointly Segmenting Consumers and their Preferences

In 1993, when music was sold in retail stores, it may have been informative to ask about preference across a handful of music genre. Today, now that the consumer has seized control and the music industry has responded, the market has exploded into more...

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R User Groups and "after hours" Creativity

October 16, 2014
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R User Groups and "after hours" Creativity

by Joseph Rickert There is something about R user group meetings that both encourages, and nourshies a certain kind of "after hours" creativity. Maybe it is the pressure of having to make a presentation about stuff you do at work interesting to a general audience, or maybe it is just the desire to reach a high level of play....

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