Chelsea Parlett
@ChelseaParlett
📊Statistician, 👩🏻🏫Data Science Prof, ✍️Stats Communication. #statistics #scicomm #datascience #statstiktok 👩🏻💻 she/her
There once was a model, ANOVA, who along with their cousin ANCOVA, made a great big confession: “We’re the same as regression, but we’ve established a separate persona.”
What are some of the unwritten rules of the academe? [Motivation: I recently spoke with a grad student who expressed being jarred by all the academic social norms that aren't taught in grad training.]
I am pleased to announce a new version of my RL tutorial. Major update to the LLM chapter (eg DPO, GRPO, thinking), minor updates to the MARL and MBRL chapters and various sections (eg offline RL, DPG, etc). Enjoy! arxiv.org/abs/2412.05265
*taps the sign*
A famous person wore a secret hidden wire while speaking with me about AI, and I want to talk about it. Backstage at a recent AI event, I was talking with someone about private views on AI investments and strategy. We were both unfiltered. At one point, I joked, “We should’ve…
If you want to support local bookstores but also love audio books @librofm is having a sale today 🥳 I picked up a few books on my to-read list like Piranesi, and The House in the Cerulean Sea for ~ $5 each 😱 📚libro.fm
If you don’t incentivize good code hygiene, organization, and documentation (through recognition, and KPIs), people are not going to do it, and everyone will suffer.
Error Report #4: matthewbjane.quarto.pub/meta-analysis-… The meta-analysis on Fluoride and IQ by Taylor et al. (2025) is methodologically flawed and has serious data integrity issues. The full detailed report co-authored by me, James Heathers, and David Robert Grimes is available as a pre-print…
Check out the cool demo @juliendelavande made in honor of Earth Day! 💚 Check it out to see estimates of how much ⚡ energy⚡ your favorite LLMs use
⚡️ Ever wondered how much energy is used every time you send a message to ChatGPT? We just built a version of Chat UI that shows how much energy your message consumes — in real time. Should all chatbots display this? Details below 👇👇
Got new posters for the office! One for my life’s obsession (math/stats) and one for Tony’s (public transportation) AND THEIR COLOR PALETTES MATCH🥳 @streetsforall @DFTBArecords
The second edition of The Effect is now available for preorder! This version has a whole new chapter on Partial Identification, a considerable update on staggered treatment and control variables in DID, and zillions of other little updates throughout. routledge.com/The-Effect-An-…
If anyone can make Quaternions feel intuitive it's @3blue1brown and @ben_eater 👑 There's always been something...fuzzy to me about how quaternions work (probably that pesky 4th dimension...) and this is the best intuition building explainer I've seen youtube.com/watch?v=zjMuIx…
If you see the Greek letter ξ, you’re in for a bad time
I think there’s a lot to be said about geometric interpretations and explanations of statistics