Monthly Archives: December 2013

Hadoop for R’s Data scientist

December 29, 2013
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Hadoop for R’s Data scientist

I don’t exactly know where to start. But, after a real pleasant discussion with one of my ex colleague, it seems that there are many thongs around Hadoop ecosystem and R for analyst that should be said by a data scientist, means that, someone who don’t know much more about big data architecture, but who should know the essentials...

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The Tornado Project: Counting Tornadoes

December 29, 2013
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The goal of this open source R-based analysis, as mentioned in my earlier post, is to bring consistency and transparency to the analyses of publicly available Tornado datasets.The project home page is on my GitHub site - https://github.com/Ra...

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oro.dicom 0.4.0

December 29, 2013
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The R package oro.dicom contains data input/output functions for medical imaging data that conform to the Digital Imaging and Communications in Medicine (DICOM) standard, part of the Rigorous Analytics bundle.The latest version of oro.dicom (0.4.0) con...

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oro.nifti 0.4.0

December 29, 2013
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oro.nifti 0.4.0

Okay, so it's been quite a while since I provided an entry associated with oro.nifti.  That doesn't mean things haven't moved on... they have.  Let's just say I've been occupied.  One of the biggest changes to oro.nifti recently has been...

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R interface to WebTide

December 29, 2013
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R interface to WebTide

A previous posting explained how to install WebTide on an OSX machine. This one shows how to hook up to an installed WebTide database, so that R code can get tidal predictions. The following code in the R language will produce a graph in which the top panel mimics the tidal-elevation graph produced by WebTide itself (see previous blog posting...

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Insight from FIFA 14’s Player Attributes (Using R)

December 28, 2013
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Insight from FIFA 14’s Player Attributes (Using R)

FIFA 14 is a video game by EA Sports that mimics the experience of managing and playing for a soccer team. The game uses the likenesses and attributes of real players and this is part of the appeal. Although I rarely play video games, I am an avid soccer player and got curious about what could be learned by...

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Le Monde puzzle [#847]

December 28, 2013
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Le Monde puzzle [#847]

Another X’mas Le Monde mathematical puzzle: A regular dice takes the values 4, 8 and 2 on three adjacent faces. Summit values are defined by the product of the three connected faces, e.g., 64 for the above. What values do the three other faces take if the sum of the eight summit values is 1768? 

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Lyric Analytics

December 28, 2013
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Lyric Analytics

I was messing around with the text mining (tm) package in R and was thinking of something I could comb through.  I looked through some other blogs and websites to see how they were using it:  mining through presidential speeches debates&...

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Analyze your Google+ Posts with R [Update]

December 28, 2013
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Analyze your Google+ Posts with R [Update]

Hey everybody, today I show you how you can start working with the Google+ API and R. We create a personal API key, get our own stats and plot them in a nice looking graph. Get the API Key You can get our API key on the Google Developer console here: https://code.google.com/apis/console There you can see …

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GNU R vs Julia: is it only a matter of devectorization?

December 28, 2013
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Recently I have read a post on benefits of code devectorization in Julia. The examples given there inspired me to perform my own devectorization exercise. I decided to use bootstrapping as a test ground. The results are quite interesting (and not so ba...

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