Posts Tagged ‘ twitter ’

Generating Twitter Wordclouds in R (Prompted by an Open Learning Blogpost)

February 15, 2012
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Generating Twitter Wordclouds in R (Prompted by an Open Learning Blogpost)

A couple of weeks ago I saw a great example of an open learning blogpost from @katy_bird: Generating a word cloud (or not) from a Twitter hashtag. It described the trials and tribulations associated with trying to satisfy a request for the generation of a wordcloud based on tweets associated with a specific Twitter hashtag.

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Analyzing Twitter Data in R – Part 1

February 8, 2012
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I recently began using the TwitteR package in R to examine my tweeting patterns. One of my first projects was to identify each of my Twitter followers, where they were located, how many tweets they had, and then plot their location on a map using a bubble which was related to their total number of

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What is the Potential Audience Size for a Hashtag Community?

February 8, 2012
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What is the Potential Audience Size for a Hashtag Community?

What’s the potential audience size around a Twitter hashtag? Way back when, in the early days of webs stats, reported figures tended to centre around the notion of hits, the number of calls made to a server via website activity. I forget the details, but the metric was presumably generated from server logs. This measure

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Visual Summary of #jan25 Twitter Activity

January 29, 2012
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Visual Summary of #jan25 Twitter Activity

  Last year, I covered a number of the so-called “Twitter protests” in China (#cn220), Iran (#25bahman), and Algeria (#fev12).  Since these protests began in January 2011, the Arab Spring has claimed many members of both ruling and revolting groups … Continue reading →

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Social Media Interest Maps of Newsnight and BBCQT Twitterers

January 26, 2012
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Social Media Interest Maps of Newsnight and BBCQT Twitterers

I grabbed independent samples of 1500 recent users of the #newsnight and #bbcqt hashtags within a minute or two of each other about half an hour ago. Here’s who’s followed by 25 or more of the recent hashtaggers in each case. Can you distinguish the programmes each audience interest projection map relates to? Here’s the

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An R function to map your Twitter Followers

December 21, 2011
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An R function to map your Twitter Followers

I wrote a little function to make a personalized map of who follows you or who you follow on Twitter. The idea for this function was inspired by some plots I discussed in a previous post. I also found a lot of really useful code over at flowing data he...

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I Work For The Internet !

December 13, 2011
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I Work For The Internet !

UPDATE: code and figure updated at 1150 am CST.The site I WORK FOR THE INTERNET is collecting pictures and first names (last name initials only) to show collective support against SOPA (the Stop Online Piracy Act).  Please stop by their site and a...

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Getting Started With Twitter Analysis in R

November 9, 2011
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Getting Started With Twitter Analysis in R

Earlier today, I saw a post vis the aggregating R-Bloggers service a post on Using Text Mining to Find Out What @RDataMining Tweets are About. The post provides a walktrhough of how to grab tweets into an R session using the twitteR library, and then do some text mining on it. I’ve been meaning to

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Using Text Mining to Find Out What @RDataMining Tweets are About

November 8, 2011
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Using Text Mining to Find Out What @RDataMining Tweets are About

This post shows an example on text mining of Twitter data with R packages twitteR, tm and wordcloud. Package twitteR provides access to Twitter data, tm provides functions for text mining, and wordcloud visualizes the result with a word cloud. … Continue reading →

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I’m Starting a New Position at the University of Virginia

September 8, 2011
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I’m Starting a New Position at the University of Virginia

I just accepted an offer for a faculty position at the University of Virginia in the Center for Public Health Genomics / Department of Public Health Sciences. Starting in October I will be developing and directing a new centralized bioinformatics core ...

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