My talk from #positconf 2025 is now up! I got to introduce our survey platform and #rstats package #surveydown. It's been a fun project with @pingfanhu.bsky.social & Bogdan Bunea, and I hope it can be useful for the community of survey researchers out there! www.youtube.com/watch?v=Vwoe...

🎉 Announcing surveydown v1.0.0! surveydown is an #opensource #rstats package for building surveys with #Quarto & #Shiny. This release improves the survey design experience, including: - Simplified YAML settings - Auto page navigation - Previous buttons! More at surveydown.org/blog/2025-11...

Excited to announce that our paper with @pingfanhu.bsky.social and Bogdan Bunea on our #rstats package {surveydown} is now published in @plosone.org The paper compares the benefits of using a code-based approach to survey design, leveraging #quarto and #shiny journals.plos.org/plosone/arti...

Excited to announce the release of our latest #surveydown project: {sdstudio} A GUI studio that runs as a local #rshiny app for building, previewing, and managing surveydown surveys. Check out our latest post! 📣 Should out to @pingfanhu.bsky.social who built it! surveydown.org/blog/2025-06...

More and more people are trying out our #surveydown survey platform! 🚀 If you work with surveys, give it a look: an open-source, fully reproducible, programmable, and markdown-based survey platform, built with ❤️, #rstats, #shiny, and #quarto surveydown.org

New blog post! 🚨 The #surveydown 📦 now has shiny gadgets to make it easier to insert pages and questions into your surveys! Check out the post by @pingfanhu.bsky.social to see more surveydown.org/blog/2025-04... #rshiny #rstats #quarto

Did not know the software processing James Web Telescope data was #opensource 😲 At the first ever GW open source conference #gwoscon

Do you use surveys and #Rstats? We have the package for you! #surveydown combines #quarto_pub and #rshiny to make dynamic, interactive surveys that render to a shiny app. Also, v0.5.0 is now on CRAN! 🎉 Thanks to @pingfanhu.bsky.social, user progress can be restored via cookies surveydown.org

My most recent project is the {surveydown} 📦 for building dynamic, markdown-based surveys with #quarto that render into a #shiny app! Co-authored with @pingfanhu.bsky.social and Bogdan Bunea. Check it out the docs site here: https://surveydown.org/

Congrats to Dr. Lujin Zhao on a successful dissertation defense! 🎉 Lujin's research examines transportation mode choice as well as #EV mileage and disparities in EV supply across the US. He is also the 3rd PhD graduating from my lab in 2024 (also 3rd PhD ever from my lab...it's been a busy year!)