82 search results for "Web Scraping"

Animated map of 2012 US election campaigning, with R and ffmpeg

October 28, 2012
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(Video link here, in case the embedded player doesn’t work for you.) Idea: see if I can mimic the idea behind Ben Schmidt’s lovely video of ocean shipping routes, and apply it to another dataset. But which? “Hmm… what’s another … Continue reading

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.Rhistory

October 27, 2012
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Over the last couple of years I've been using R every now and then. When I stumbled upon an interesting topic, and I managed to get a hold of a data set, I tried to make sense of it using R.It's a bit like the Stat Labs approach: I might get started by...

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Tips on accessing data from various sources with R

October 3, 2012
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Jeffrey Breen (the man behind the Twitter airline sentiment analysis example) recently posted a collection of slides with some great tips for accessing data from R. "Tapping the Data Deluge" includes information on: Using the XLConnect package to read data from Excel spreadsheets Using the foreign package to read SPSS, SAS, Stata and dBase data files Using SQL queries...

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R Helper Functions

September 25, 2012
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R Helper Functions

If you do a lot of R programming, you probably have a list of R helper functions set aside in a script that you include on R startup or at the top of your code. In some cases helper functions add capabilities that aren’t otherwise available. In other cases, they replicate functionality that is available

The post R...

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The R-Podcast Episode 10: Adventures in Data Munging Part 2

September 16, 2012
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I’m happy to present episode 10 of the R-Podcast! Season 1 of the R-Podcast concludes with part 2 of my series on data munging, in which I discuss issues surrounding importing data sets contained in HTML tables. I share how I used the XML and RCurl packages to validate and import data from hockey-reference.com for

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R and the web (for beginners), Part III: Scraping MPs’ expenses in detail from the web

August 23, 2012
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R and the web (for beginners), Part III: Scraping MPs’ expenses in detail from the web

In this last post of my little series (see my latest post) on R and the web I explain how to extract data of a website (web scraping/screen scraping) with R. If the data you want to analyze are a part of a web page, for example a HTML-table (or hundreds of...

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Hangman in R: A learning experience

July 28, 2012
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Hangman in R: A learning experience

I love when people take a sophisticated tool and use it to play video games. Take R for example. I first saw someone create a game for R at talk.stats.com. My friend Dason inspired me to more efficiently waste time … Continue reading

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UseR 2012 highlights

June 20, 2012
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UseR 2012 highlights

The eighth annual R user conference, UseR! 2012, has come and gone — and what an event it was! I've been to five useR! conferences so far, and each one improves upon the last. This year's conference at Vanderbilt was the best so far: an outstanding location (my first visit to Nashville, a great city), excellent facilities (the lecture...

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Visualizing the CRAN: Graphing Package Dependencies

May 17, 2012
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Visualizing the CRAN:  Graphing Package Dependencies

I had been meaning to start toying with the igraph package for a while. So a few weeks ago (lay off, I'm busy), I decided to grab a bunch of CRAN data about package dependencies. The easiest way that I could think to get this information was to just grab the html files for all the package descriptions and...

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118 years of US State Weather Data

April 22, 2012
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118 years of US State Weather Data

A recent post on the Junkcharts blog looked at US weather dataand the importance of explaining scales (which in this case went up to 118). Ultimately, it turns out that 118 is the rank of the data compared to the previous 117 years of data (in ascending order, so that 118 is the highest). At … Continue reading...

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