2062 search results for "Twitter"

Visualizing Data with R and ggplot2 (video w/ slides)

December 18, 2009
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On December 3, 2009 I presented a brief talk at the NYC R meetup on how to create data visualizations with R using the immensely powerful ggplot2 package. The talk is very light on motivation but heavy on examples, so it may be more useful to those with some R and/or ggplot2 experience.

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Must-Have R Packages for Social Scientists

December 11, 2009
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Must-Have R Packages for Social Scientists

After recently having to think critically about the value of various R packages for social science research, I realized that others might find value in a post on “must-have” R packages for social scientists. After the immensely popular post on this topic for Python packages a follow-up seemed appropraite. If you conduct social

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R> if (done=TRUE) tweet me!

December 11, 2009
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R> if (done=TRUE) tweet me!

Let’s say that you’re fitting a cumbersome model so time is not to waste over a PC staring at the screen half anxious-half bored… Then, you can always leave and go on with meetings and all your daily routine and have R notify you the results! How? We will illustrate the situation above using some Bayesian Model

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Announcing R-bloggers.com: a new R news site (for bloggers by bloggers)

December 9, 2009
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Announcing R-bloggers.com: a new R news site (for bloggers by bloggers)

I already wrote about R-bloggers on the R mailing list, so it only seems fitting to write about it more here. I will explain what R-bloggers is and then move to explain what I hope it will accomplish. R-Bloggers.com is a central hub of content collected from bloggers who write about R (in English) and if

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R twitts…

December 5, 2009
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R twitts…

You may already know this… #rstats I think I might get an account when get to connect to the Internet in my mobile phone

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In case you missed it: November roundup

December 4, 2009
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In case you missed them, here are some articles from last month of particular interest to R users. This post demonstrated reader Paul Bleicher's code for visualizing a time series as a heat-map calendar. This post and followup showed (with thanks to Drew Conway) how to use R to perform social network analysis on live data from Twitter. This...

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Loading Big (ish) Data into R

November 24, 2009
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Loading Big (ish) Data into R

So for the rest of this conversation big data == 2 Gigs. Done. Don’t give me any of this ‘that’s not big, THIS is big’ shit. There now, on with the cool stuff: This week on twitter Vince Buffalo asked about loading a 2 gig comma separated file (csv) into R (OK, he asked about tab

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Canabalt

November 12, 2009
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Canabalt

At the office today, I got into a discussion with two of my fellow graduate students about the distribution of scores you can get while playing Canabalt. Because (1) the layout of the levels in the game is fully randomized and (2) the difficulty of certain actions (specifically jumping through windows) is exceptionally high, we

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Kicking Ass with plyr

October 29, 2009
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Kicking Ass with plyr

Tonight (October 29, 2009) at 5:30 PM is the Chicago R meetup at Jaks tap. Here’s more info.  I’ll be making a presentation based on my earlier blog post about plyr. The presentation will only be 8 minutes long so I’ve had to pick and choose my info carefully. OK, who am I kidding? I

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Aggreate electoral targeting with R

October 22, 2009
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Aggreate electoral targeting with R

Aggregate electoral targeting is the process of determining the likely hood of a citizen choosing to vote turnout), and which candidate that person is most likely to vote for (partisan bias) in a given race using historical turnout and partisan bias. The output from this targeting allows a campaign to project the likely number of voters, what percentages their...

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