2074 search results for "twitter"

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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One-liners which make me love R: twitteR’s searchTwitter() #rstats

July 21, 2011
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One-liners which make me love R: twitteR’s searchTwitter() #rstats

R reminds me a lot of English. It’s easy to get started, but very difficult to master. So for all those times I’ve spent… well, forever… trying to figure out the “R way” of doing something, I’m glad to share these quick wins. My recent R tutorial on mining Twitter for consumer sentiment wouldn’t have

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Twitter Math Puzzle and Solution

July 7, 2011
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Yesterday I posted a very simple math puzzle to Twitter that I found in Jonathan Baron’s book, Thinking and Deciding. The puzzle is the following: Show that every number of the form ABC,ABC is divisible by 13. The puzzle comes up in Baron’s book as an example of an “insight problem” in which one goes

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Twitter Math Puzzle and Solution

July 7, 2011
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Yesterday I posted a very simple math puzzle to Twitter that I found in Jonathan Baron’s book, Thinking and Deciding. The puzzle is the following: Show that every number of the form ABC,ABC is divisible by 13. The puzzle comes up in Baron’s book as an example of an “insight problem” in which one goes

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Sentiment Analysis for Airlines via Twitter

July 5, 2011
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Sentiment Analysis for Airlines via Twitter

Last weekend here in the states was the 4th of July long weekend, one of the busier air travel days of the year. As anyone who flies in the States knows, with air travel often comes frustration, and in this social media age many express their frustration on Twitter: The image above comes from a tutorial on text mining...

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