Since June, we have been highlighting the many projects that emerged from this year's rOpenSci Unconf. These projects start many weeks before unconf participants gather in-person. Each year, we ask participants to propose and discuss project ideas ahead of time in a GitHub repo. This serves to get creative juices flowing as well as help people get to know...
Last Friday at the Davis R Users’ Group, Mallory Johnson gave a presentation on RQDA, an R-based GUI tool for doing coding on documents for use in qualitative text analysis. Here’s the video, and you can view the slides here
The RQDA home page
More RQDA instructional videos
Last Friday at the Davis R Users’ Group, Grace Charles gave a presentation on structural equation modeling in R using the Lavaan package. Here’s the video and her slides. We’ve also posted Grace’s script from the presentation as a gist here. More resources that Grace mentioned in her talk below.
Jim Grace’s website at USGS
A Lavaan tutorial vingette...
A couple of weeks at the Davis R Users’ Group, Jaime Ashander gave a presentation on and visualizing and diagnosing (G)LMMs in R. Here’s the video:
Jaime also wrote up the notes from his talk, including all the code, on his blog here (with the raw R Markdown file on github here). The material in the blog post...
Today at the Davis R Users’ Group, Michael Koontz gave tour de force lesson in using R’s base graphics capabilities to plot data. Here’s the video:
Get Michael’s excellent annotated script, which covers much more than we got to during our tutorial, here.
Last week at the Davis R Users’ Group, Myfanwy Johnston gave an introduction to to the powerful and ubiquitous ggplot2 package for plotting in R. See below for the screencast and her particularly enlightening figure of how ggplot’s syntax and conceptual approach. Myfanwy also placed all her slides, code, and links to more ggplot resources in this...
Today, Ryan Peek and Michele Tobias gave an introduction to making maps in R. Here’s the webcast:
(Pardon the little scuffle at the beginning and as we switched computers halfway through. Still getting the hang of hangouts.)
Download all of Ryan’s code and HTML files here.
See Michele’s slides on Slideshare here.
Code for Michele’s example maps in her GitHub. repository.
*Today, Carl Boettiger gave a tutorial on the ROpenSci project and how to use their many packages to connect to online data repositories to retrieve and up deposit data. Here’s our screencast of the talk.
All the code from this talk is available at this github repository, and you can download it as a *.zip file here. Thanks...
Today, Tim Bowles gave this presentation on the vegan package to the Davis R Users’ Group. The screencast and slides are below. You can also download Tim’s RStudio project with all the code, data, figures, and slides presented here. Thanks to Tim for a great session!
Cross-posted from the Software Carpentry Blog.
For the past two years I’ve run the UC Davis R Users’ Group (D-RUG). In this post, I’ll (1) outline the structure of D-RUG, and (2) summarize some lessons learned, and (3) discuss how such users’ groups could act to support and complement SWC’s workshops. Per Bill’s suggestion, we could discuss the...