2151 search results for "twitter"

Graphing Twitter friends/followers with R (updated yet again)

December 22, 2011
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Those of you following my occasional updates here know that I have previously posted code for graphing Twitter friend/follower networks using R (post #1. post #2). Kai Heinrich was kind enough to send me some updated code for doing so using a newer version of the extremely useful twitteR package. His very crisp, yet thoroughly

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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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A Tool Chain for Plotting Twitter Archive Retweet Graphs – Py, R, Gephi

December 21, 2011
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A Tool Chain for Plotting Twitter Archive Retweet Graphs – Py, R, Gephi

Another set of stepping stones that provide a clunky route to a solution that @mhawksey has been working on a far more elegant expression of (eg Free the tweets! Export TwapperKeeper archives using Google Spreadsheet and Twitter: How to archive event hashtags and create an interactive visualization of the conversation)… The recipe is as follows:

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Analytics using R: Most active in my Twitter list

November 27, 2011
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Analytics using R: Most active in my Twitter list

I follow some 80 odd people/ news sources on my twitter account. For a while I wondered which of these sources are most active on twitter. I picked a simple metric '# of status messages posted to twitter' as the measure of activity. Using R I quickly wrote a program to generate my top 10 most active...

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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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System in 10 Minutes After Twitter

October 13, 2011
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System in 10 Minutes After Twitter

On Twitter last night, I spotted @milktrader from www.algorithmzoo.com doing some range research on equity indexes.  I offered a tweet on the crazy Russell 2000 17% move over 7 days.  Within 10 minutes, I discovered a signal that worked very ...

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Twitter updates on R Graph Gallery

October 3, 2011
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Twitter updates on R Graph Gallery

I've added a twitter search widget that searches for the #rgraphgallery hashtag or the url of the gallery on the front page.

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The effectiveness of links shared on Facebook, Twitter, and YouTube

September 8, 2011
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The effectiveness of links shared on Facebook, Twitter, and YouTube

The bitly blog has posted a really interesting analysis of the effectiveness of links shared via the social-media services Facebook, Twitter and YouTube. Here, effectiveness is measured by the "half-life" of a link: the amount of time it takes for that link to generate half the clicks it will ever attract. They summarize their results in this ggplot2 density...

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ISMB coverage on Twitter? It’s possible there was…

July 31, 2011
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ISMB coverage on Twitter? It’s possible there was…

Peter writes: I wonder if part of the drop off is live bloggers moving to platforms like Twitter? I can tell you it seemed like there were almost as many tweets for one SIG (#bosc2011) as for the whole of #ISMB / #ECCB2011, and I personally didn’t post anything to FriendFeed but posted lots on

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Tweets vs. Likes: What gets shared on Twitter vs. Facebook?

July 28, 2011
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Tweets vs. Likes: What gets shared on Twitter vs. Facebook?

It always strikes me as curious that some posts get a lot of love on Twitter, while others get many more shares on Facebook: What accounts for this difference? Some of it is surely site-dependent: maybe one blogger has a Facebook page but not a Twitter account, while another has these roles reversed. But even

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