Publications by David Smith
Because it’s Christmas: Microbe Mario
He’s no Father Christmas, but he is dressed in festive red and green, and he’s made of bacteria. This image, Mario, was submitted to the 2009 international Genetically Engineered Machine (iGEM) competition by Team Osaka from the nanobiology laboratories at the University of Osaka, Japan.They genetically engineered bacteria to express fluores...
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Merry Christmas using R
Yihui creates an Christmas greeting using R: See the R code to create an animated message in Flash here: Keep on Fighting: Merry Christmas Using R Related To leave a comment for the author, please follow the link and comment on their blog: Revolutions. R-bloggers.com offers daily e-mail updates about R news and tutorials about learning R an...
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Video: Visualizing data in R using ggplot2
At the most recent New York R User Group meetup, the topic was creating graphics in R with the ggplot2 package. Drew Conway’s talk, “Making pretty pictures with ggplot2” gave several practical examples of visualizing data with ggplot2 and is well worth checking out: You can follow along with Drew’s slides, which are downloadable from his...
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Speed-reading files, revisited
In a post earlier this month, it seemed as though compressing a data file before reading it into R could save you some time. With some feedback from readers and further experimentation, we might need to revisit that conclusion To recap, in our previous experiment it took 170 seconds to read a 182Mb text file into R. But if we compressed the file ...
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What’s up with Darwin’s weather?
Darwin is a the capital city of Australia’s Northern Territory. Lying on the coast of far Northern Australia, it’s situated well in the tropics and as a result has hot, steamy, monsoonal weather. Darwin’s weather has already had impact on urban culture, and now it seems it’s had a political impact too: it’s been at in the middle of the ...
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R/Finance 2010, April 16-17 in Chicago
Today is the last day to submit abstracts for the R/Finance 2010 conference to be held in Chicago on April 16-17. If you’re not planning on speaking, but are interested in applications of R in Finance, be sure to add this to your calendar — last year’s conference was an outstanding event. Here’s some more information about the conference ...
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Because it’s Friday: The inner life of a cell
Happy New Year, everyone. In celebration of the New Year, enjoy this celebration of the workings of life from Harvard University.More at the link below:3 Quarks Daily: The inner life of the cell Related To leave a comment for the author, please follow the link and comment on their blog: Revolutions. R-bloggers.com offers daily e-mail updates ...
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O’Reilly’s R is a Harpy Eagle
Today marks the hardcopy availability of the first book dedicated to R from O’Reilly, R in a Nutshell. In the familiar O’Reilly style, the cover is adorned with an illustration of an animal, in this case a harpy eagle: The book is written by Joe Adler, a data analyst and the author of Baseball Hacks. In contrast to the many books that exist ...
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Analyzing a FriendFeed group with Ruby and R
FriendFeed is a social media service, where groups of people can post interesting information from the Web, and “like” or comment posts from others. Statistical Bioinformatician Neil Saunders is a member of the “Life Scientists” group, and has posted an analysis of the group’s activity in 2009 to his blog. He used Ruby and the FriendFee...
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The number of R packages is growing exponentially
The second issue of the R Journal is out now, and in addition to a bevy of contributed articles and some news from the R Core Group on the new help system introduced in R 2.10, there’s an invited section called, intriguingly, “The Future of R”. In that section John Fox provides an exhaustively researched and insightful review of the history...
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