2738 search results for "GIS"

US House Prices, Default and Bankruptcy Rates in R

April 13, 2012
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US House Prices, Default and Bankruptcy Rates in R

Some time ago I got inspired by a post on r-bloggers.com, showing the housing bubble in several US cities, nicely done with ggplot. I extended this to incorporate two measures of problems in the consumer credit markets: the percentage of people with a ...

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R in the CPB and the role of Open Source in Promoting Transparency and Austerity

April 12, 2012
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The Revolution blog links to an O'Reilly  interview with two CIO's from the Consumer Protection Bureau. The gist of the interview is "Open Source is Great, we are using it for everything; R and Big Data are the next hot thing, et cetera".  I ...

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R in the CPB and the role of Open Source in Promoting Transparency and Austerity

April 12, 2012
By

The Revolution blog links to an O'Reilly  interview with two CIO's from the Consumer Protection Bureau. The gist of the interview is "Open Source is Great, we are using it for everything; R and Big Data are the next hot thing, et cetera".  I ...

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In case you missed it: March 2012 Roundup

April 12, 2012
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In case you missed them, here are some articles from March of particular interest to R users. New features in the latest version of ggplot2 include choropleths, violin plots, and improved annotations. A video demonstration of big-data Naive Bayes and Classification Tree models with Revolution R Enterprise for IBM Netezza. A collection of two-minute video tutorials for R beginners....

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M-O-M vs Y-O-Y inflation rates in India

April 12, 2012
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M-O-M vs Y-O-Y inflation rates in India

Some time back I came across this article, by one of our alumni who is currently at NIPFP, which presents some caveats and shortcomings of different measure of inflation in India in a concise manner. Since my master's thesis topic revolves around infla...

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How to work with Google n-gram data sets in R using MySQL

April 12, 2012
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How to work with Google n-gram data sets in R using MySQL

In this R tutorial you will learn how to work with Google n-gram data sets with the help of MySQL. The complete R code is included in this post.

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Latex Allergy Cured by knitr

April 11, 2012
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Latex Allergy Cured by knitr

I have always known that at some point I would have to succumb to the power of Latex, but Latex has been uncharacteristically intimidating to me.  I finally found the remedy to my Latex allergy with the amazing and fantastic knitr package from Yih...

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Getting Started with JAGS, rjags, and Bayesian Modelling

April 10, 2012
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This post provides links to various resources on getting started with Bayesian modelling using JAGS and R. It discusses: (1) what is JAGS; (2) why you might want to perform Bayesian modelling using JAGS; (3) how to install JAGS; (4) where to find furth...

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Speed up your R code using a just-in-time (JIT) compiler

April 10, 2012
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This post is about speeding up your R code using the JIT (just in time) compilation capabilities offered by the new (well, now a year old) {compiler} package. Specifically, dealing with the practical difference between enableJIT and the cmpfun functions. …Read more »

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Using SNA in Predictive Modeling

April 10, 2012
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Using SNA in Predictive Modeling

In a previous post, I described the basics of social network analysis. I plan to extend that example here with an application in predictive analytics. Let's suppose we have the following network (visualized in R)Suppose we have used the igraph package ...

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