2082 search results for "twitter"

Connecting to a DB2 database from R

January 16, 2010
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Connecting to a DB2 database from R

Unlike RMySQL and RSQLite there is no RDB2. However, I found it pretty straightforward connecting to a DB2 database using the JDBC driver and the RJDBC package. For all this to work, DB2 should be setup to use TCPIP, which is not used by default. You need to set the DB2COMM DB2 environment variable to

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A tale of two visualizations (because it’s Friday)

January 15, 2010
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A tale of two visualizations (because it’s Friday)

GEEK FIGHT!!! says JD Long on Twitter as the New York Times publishes a widely-reposted interactive graphic about Netflix rental data, and the Wall Street Journal also gets into the interactive-viz game with a graphic on bank bonuses. If it's a fight, it's a knockout in the first round, if you ask me. There's no surprise why the Netflix...

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Quick thoughts on “R-Powered Web Apps”

January 13, 2010
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Good session at last nights Bay Area UseR Group meeting on R-Powered Web Apps. First of all, there's clearly a lot of interest in using R in Web-based applications: although the program was only announced a week ago, more than 100 people showed up for the talks from Jeff Horner and Jeroen Oons. Second, the Twitter offices are very...

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In case you missed it: December roundup

January 12, 2010
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In case you missed them, here are some articles from last month of particular interest to R users. This post looked at a climate change controversy involving the weather in Darwin, Australia and a review of the source data using R. This post showed how to access global weather data from the US National Centers for Environment Prediction using...

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A new twist on the identifier mapping problem

January 11, 2010
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A new twist on the identifier mapping problem

Yesterday, Deepak wrote about BridgeDB, a software package to deal with the “identifier mapping problem”. Put simply, biologists can name a biological entity in any way that they like, leading to multiple names for the same object. Easily solved, you might think, by choosing one identifier and sticking to it, but that’s apparently way too

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Bay Area User Group: R-Powered Web Apps

January 11, 2010
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For those in the San Francisco area, tomorrow night's Bay Area R User Group meeting -- to be held at Twitter's HQ -- is a must-see. The theme is "R-Powered Web Apps" and features guest speakers Jeroen Ooms and Jeff Horner. (Disclosure: REvolution Computing is sponsoring Jeroen's appearance at this event.) We've featured Jeroen's awesome web-based applications using R...

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Learning R via Python…or the other way around (with video!)

January 8, 2010
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Last night I was one of five speakers at the NYC R Statistical Programming Meetup. The topic last night was dubbed the R Rosetta Stone, and the intent was to show how R as a language translated into several other analytical platforms and programming languages. Other speakers covered MATLAB, SAS, SQL/Postges and Clojure/Incanter—I

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3d scatter plot using R

January 6, 2010
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3d scatter plot using R

The other day I saw a three dimensional scatterplot in Montgomery's Regression book. I wanted to redraw the graph using the provided data. A simple google search revealed that there is a package called scatterplot3d. The scatterplot3d() can be used to draw a 3-dimensional scatter plot. Here is what the steps are: Download and install the package from your nearest...

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Updates about R-bloggers, a Happy new year, and one request

December 31, 2009
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Updates about R-bloggers, a Happy new year, and one request

Hello dear reader of R-bloggers, I am excited to inform you that R-bloggers has grown amazingly in the last few weeks. There are now 29 blogs participating and sharing their R related articles and tutorials with the rest of us. I didn’t even know that there where so many bloggers writing about R until now. Until now (according to google analytics,...

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Brief Analysis of Abdulmutallab (Christmas Day bomber) Web Posting Data

December 30, 2009
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Brief Analysis of Abdulmutallab (Christmas Day bomber) Web Posting Data

Thanks to Evan Kohlman at the NEFA Foundation for compiling, and Danger Room for publicizing, the data set of all of Farouk Abdulmutallab’s posts to the Islamic Forum on Gawaher.com. Since Evan took the initiative to download and save the raw HTML data, I thought it would be useful to go one step

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