180 search results for "web scraping"

RevoScaleR’s Naive Bayes Classifier rxNaiveBayes()

May 28, 2015
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RevoScaleR’s Naive Bayes Classifier rxNaiveBayes()

by Joseph Rickert, Because of its simplicity and good performance over a wide spectrum of classification problems the Naïve Bayes classifier ought to be on everyone's short list of machine learning algorithms. Now, with version 7.4 we have a high performance Naïve Bayes classifier in Revolution R Enterprise too. Like all Parallel External Memory Algorithms (PEMAs) in the RevoScaleR...

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Analyzing R-Bloggers’ posts via Twitter

May 18, 2015
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Analyzing R-Bloggers’ posts via Twitter

For those who don’t know, every time a new blog post gets added to R-Bloggers, it gets a corresponding tweet by @Rbloggers, which gets seen by Rbloggers’ ~20k followers fairly fast. And every time my post gets published, I can’t help but check up on how many people gave that tweet some Twitter love, ie. “favorite”d or...

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Analysing The Rock ‘n’ Roll Madrid Marathon

April 18, 2015
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Analysing The Rock ‘n’ Roll Madrid Marathon

Nobody’s going to win all the time. On the highway of life you can’t always be in the fast lane (Haruki Murakami, What I Talk About When I Talk About Running) I started running two years ago and one if my dreams is to run a marathon someday. One month ago I run my first … Continue reading...

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Monitoring Price Fluctuations of Book Trade-In Values on Amazon

April 8, 2015
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Monitoring Price Fluctuations of Book Trade-In Values on Amazon

I am planning to finish school soon and I would like to shed some weight before moving on. I have collected a fair number of books that I will likely never use again and it would be nice to get some money for them. Sites like Amazon and eBay let you se...

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More Airline Crashes via the Hadleyverse

March 31, 2015
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I saw a fly-by #rstats mention of more airplane accident data on — of all places — LinkedIn (email) today which took me to a GitHub repo by @philjette. It seems there’s a web site (run by what seems to be a single human) that tracks plane crashes. Here’s a tweet from @philjette announcing it:

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Knitr’s best hidden gem: spin

March 23, 2015
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Stop knitting & start spinning - spin can help you write reports much faster and avoid repeating yourself - Anyone who loves the idea of dynamic report generation with R is probably a big fan of knitr and its flagship function - knit. But not many people seem to know about knit's awesome cousin -...

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Fuzzy String Matching – a survival skill to tackle unstructured information

February 26, 2015
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Fuzzy String Matching – a survival skill to tackle unstructured information

“The amount of information available in the internet grows every day” thank you captain Obvious! by now even my grandma is aware of that!. Actually, the internet has increasingly become the first address for...

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Who Has the Best Fantasy Football Projections? 2015 Update

February 20, 2015
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Who Has the Best Fantasy Football Projections? 2015 Update

In prior posts, I demonstrated how to download projections from numerous sources, calculate custom projections for your league, and compare the accuracy of different sources of projections (2013, 2014).  In The post Who Has the Best Fantasy Football Projections? 2015 Update appeared first on Fantasy Football Analytics.

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Predicting the six nations

February 4, 2015
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Predicting the six nations

By Douglas Ashton – Consultant, UK I don’t know a lot about rugby, which can be a problem living in a rugby town. Especially when the office sweep stake on the upcoming Wales vs England six nations game goes round: … Continue reading →

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Building a choropleth map of Italy using mapIT

January 19, 2015
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Building a choropleth map of Italy using mapIT

In the R environment, different packages to draw maps a

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