Articles by Noam Ross

Git Hosting for the Distraught and the Restless

December 14, 2019 | Noam Ross

It’s generally impossible to only use services, private or government, that perfectly align with one’s values, so one must opt to choose one’s battles. The controversy over GitHub’s contract with U.S. Immigration and Customs Enforcement is the latest such battle in the open-source software world. ...
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Drake, Docker, and Gitlab-CI

September 23, 2019 | Noam Ross

For a number of reasons I’ve been trying out GitLab as a replacement for for both GitHub and various continuous integration systems, and have been exploring configurations useful for model-fitting pipelines. I turned one of these into an example repository that shows how to use GitLab together with the ... [Read more...]

A New Website

August 8, 2019 | Noam Ross

For me, the task of building a personal website is fraught with so many of my technical, aesthetic, and personal hangups that I hadn’t updated mine since mid-graduate school. Thanks to consistent pestering by Maëlle, though, I finally got around to re-building this one using a modern toolkit. ... [Read more...]

Unconf 2017: The Roads Not Taken

August 8, 2017 | Noam Ross

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 ... [Read more...]

Qualitative Text Analysis in R with RQDA

May 28, 2015 | Noam Ross

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 [Sorry about reverb in the video] Resources The RQDA ... [Read more...]

First Steps with Structural Equation Modeling

May 20, 2015 | Noam Ross

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 ... [Read more...]

An introduction to ggplot with Myfanwy Johnston

March 15, 2015 | Noam Ross

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, ...
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Making Maps in R with Ryan Peek and Michele Tobias

February 20, 2015 | Noam Ross

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.) Resources: Download all of Ryan’s code and HTML files here. See ... [Read more...]

Carl Boettiger on accessing online data with ROpenSci

January 30, 2015 | Noam Ross

*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 ... [Read more...]

Tim Bowles on multivariate stats with vegan

December 9, 2014 | Noam Ross

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! [Read more...]

Ongoing learning with user groups

November 10, 2014 | Noam Ross

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 ... [Read more...]

ESA 2014: Don’t Know Much About History…

August 5, 2014 | Noam Ross

After my last post text-mining ESA Annual Meeting abstracts, Nash Turley was interested in the presence of the term “natural history” in ESA abstracts. I decided to collect a little more data by including programs back to 2010, giving a five-year data set. Thankfully the program back to 2010 remains in mostly ... [Read more...]

What shall we talk about at ESA?

July 24, 2014 | Noam Ross

ESA is just around the corner, and many of us are gearing up and trying to figure out a schedule to cover all the talks and people we can pack in. ESA is a big conference and there’s far too much for any one person to see. In the ... [Read more...]

Vectorization in R: Why?

April 16, 2014 | Noam Ross

Here are my notes from a recent talk I gave on vectorization at a Davis R Users’ Group meeting. Thanks to Vince Buffalo, John Myles White, and Hadley Wickham for their input as I was preparing this. Feedback welcome! Beginning R users are often told to “vectorize” their code. Here, ... [Read more...]

Using Dates and Times in R

February 10, 2014 | Noam Ross

Today at the Davis R Users’ Group, Bonnie Dixon gave a tutorial on the various ways to handle dates and times in R. Bonnie provided this great script which walks through essential classes, functions, and packages. Here it is piped through knitr::spin. The original R script can be found ... [Read more...]
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