2170 search results for "MAP"

Mining Lending Club’s Goldmine of Loan Data Part I of II – Visualizations by State

October 14, 2011
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Mining Lending Club’s Goldmine of Loan Data Part I of II – Visualizations by State

I have a few friends that keep bragging about their 14% annual returns by investing their money with Lending Club, a peer-to-peer lending service that cuts out the complexities and difficulties of getting approved for a loan through a bank. To give you an idea of the sheer amount of volume Lending Club has been

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Percentage of Organic Farming Operations by State

October 12, 2011
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Percentage of Organic Farming Operations by State

With data from the USDA on certified organic farms for 2008.  I created a map using the Geo Map function from the googleVis API package available in R.  I’ve copied and pasted the image below as WordPress.com sites don’t support … Continue reading →

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What’s there to like about R?

October 12, 2011
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What’s there to like about R?

Update 10/11/2011: There’s a good discussion on RedditUpdate 10/12/2011: Note manipulate package and highlight data.table packageThe R statistical computing platform is a rising star that’s been gaining popularity and attention, but it gets no respect in the hood. It’s telling that a popular guide to R is called The R Inferno, and that advocacy pieces Follow me on...

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Where to find data to use with R

October 11, 2011
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(Contributing blogger Joe Rickert has put together a fantastic list of data sources suitable for use with R. If you're looking for data to use in the Applications of R Contest -- entries close October 31 -- this is a great resource for you -- Ed.) Hardly a day goes by without someone or something reminding me that we...

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Artist view of crimes in London

October 10, 2011
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Artist view of crimes in London

At first sight, one could think this picture is a scale model of some narrow moutains, like Bryce Canyon… Actually it represents crimes in East London, an cardboard artwork by the Londoner artist Abigail Reynolds, called Mount Fear.  Here is what can be read on the artist’s webpage: The terrain of Mount Fear is generated

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understanding computational Bayesian statistics

October 9, 2011
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understanding computational Bayesian statistics

I have just finished reading this book by Bill Bolstad (University of Waikato, New Zealand) which a previous ‘Og post pointed out when it appeared, shortly after our Introducing Monte Carlo Methods with R. My family commented that the cover was nicer than those of my own books, which is true. Before I launch into

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In case you missed it: September Roundup

October 7, 2011
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In case you missed them, here are some articles from September of particular interest to R users. The deadline to enter the "R Applications" contest with $20,000 in prizes is October 31. The RHadoop Project, a new collection of open-source R packages from Revolution Analytics, makes it possible to write map-reduce jobs in R to analyze huge data sets...

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When Wellington meets the “animation” package

October 7, 2011
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When Wellington meets the “animation” package

The “animation” package is great for creating .gif files (of course, it also produces video and flash files thanks to Yihui Xie). By using this package, I would like to show you a nice spot in Wellington, NZ. At this … Continue reading →

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FFT / Power Spectrum Box-and-Whisker Plot with Gggplot2

October 6, 2011
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I have a bunch of time series whose power spectra (FFT via R's spectrum() function) I've been trying to visualize in an intuitive, aesthetically appealing way. At first, I just used lattice's bwplot, but the spacing of the X-axis here really matters. ...

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Bat Country

October 6, 2011
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Bat Country

I've spent a lot of time thinking about and using R's spectrum() function and the Fast Fourier Transform (FFT) in the last 5+ years. Lately, they've begun to remind me a little of a Theremin: simple to use, difficult to master. While prepping a figur...

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