3750 search results for "GIS"

iRefR – PPI data access from R

July 21, 2013
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iRefR – PPI data access from R

I use a lot of protein-protein interaction (PPI) data as biological networks represent the systems within which our genes and proteins of interest function. There are many sources of PPI data, including BioGRID and IntAct etc. A recent effort has … Continue reading →

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Real-Time Big Data Analytics: Emerging Architecture

July 19, 2013
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Real-Time Big Data Analytics: Emerging Architecture

O'Reilly Media has published a new whitepaper, Real-Time Big Data Analytics: Emerging Architecture. This 32-page document describes the processes and components necessary for getting on-demand information from big-data stores such as Hadoop. It answers the questions "How fast is fast?" and "How real is real-time?" and "how big is big?", and provides practical guidance for implementing real-time analytics systems....

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Create SQL Rules from rpart model

July 19, 2013
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Mapping output of rpart tree to SQL statements is not easy. In rpart package you have to print out rules and then manually write SQL CASE statement. Fortunately, we can write new function to do this job. To test the function, I will use dataset german...

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Lilac Bloomsday Run in Graphs

July 17, 2013
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Lilac Bloomsday Run in Graphs

The Lilac Bloomsday Run is a 7.46 miles (12 kms) race held annually in Spokane, Washington. The run was started in 1977 by Don Kardong and it saw 51,613 people register for it in 2013. In this post, I use R to collect data from their website, clean and...

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Evaluating the Potential Incorporation of R into Research Methods Education in Psychology

July 17, 2013
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I was recently completing some professional development activities that required me to write a report on a self-chosen topic related to diversity in student backgrounds. I chose to use the opportunity to reflect on the potential for using R to teach psychology students research methods. I thought I'd share the report in case it interests anyone. Abstract...

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Spatial Playtime

July 16, 2013
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There have been repeated calls for “space” in many fields of social science (all links are behind paywalls, sorry): Demography: (Voss 2007) Sociology: (Gieryn 2000) Epidemiology: for an early critical review (Jacquez 2000) Geography: obviously geographers were into space before it was cool. A couple of pieces I like are Doreen Massey’s book, For Space… Continue reading →

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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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