Chris Fonnesbeck
@fonnesbeck.bsky.social
320 followers 210 following 190 posts
Quantitative hack, PyMC Labs
Posts Media Videos Starter Packs
Reposted by Chris Fonnesbeck
pymc-labs.bsky.social
What if your next product test didn’t need a human panel?

New research by #PyMC Labs & #Colgate-Palmolive shows LLMs can replicate human survey patterns with 90%+ accuracy—no fine-tuning, no panels, no bias.

Read the white paper: dub.link/ifoZHIR
#SyntheticConsumers
AI-based Customer Research: Faster & Cheaper Surveys with Synthetic Consumers
dub.link
fonnesbeck.bsky.social
An intentional walk is always a bad decision.
fonnesbeck.bsky.social
Why does VS Code look for local paths when running on a remote server? I know ssh is new technology, but it should be doing better than this.
fonnesbeck.bsky.social
Don't make me get nostalgic over early-millennium Twitter.
fonnesbeck.bsky.social
Google Translate has a new "Practice" mode (looks like its a Gemini app) that looks promising as well.
fonnesbeck.bsky.social
The day I see an ad on Duolingo will be my last on the platform, 1412-day streak be damned.
fonnesbeck.bsky.social
Every talk I've given in the last 5 years or so has been with Slidev. When I was on the Mac platform I used Deckset, which was excellent.
fonnesbeck.bsky.social
Years ago I passed up an opportunity to work with Nick, and I still regret it. Don't be me.
fonnesbeck.bsky.social
Some fresh Van Halen graffiti in East Nashville actually warms my heart.
Reposted by Chris Fonnesbeck
wm.hdly.io
ICE agents tear-gassing neighborhoods while sitting in their cars is some messed up shit. As @gregdoucette.bsky.social would say, “cops are great.”
fonnesbeck.bsky.social
@theguardian.com This is what I see when I visit your website, and I'm a *subscriber* (though not for long).
fonnesbeck.bsky.social
Halloween decorations in September. Why??
Reposted by Chris Fonnesbeck
fonnesbeck.bsky.social
polars badly needs a `factorize` function. #python
fonnesbeck.bsky.social
Disney+, Hulu Live TV cancelled. Disney stock sold. Spring break Disney vacation cancelled.
Reposted by Chris Fonnesbeck
olbermann.bsky.social
I've known Disney chairman Bob Iger since 1979. He's now made it official: he's a whore
Reposted by Chris Fonnesbeck
plduthie.bsky.social
Vanderbilt Biostatistics professor Frank Harrell @f2harrell.bsky.social is presenting a hybrid seminar on Wednesday 9/17 at 1:30 pm Central that is open to all: "Goal-Driven Flexible Bayesian Design" #ClinicalTrials www.vanderbilt.edu/biostatistic... Photo: Erin O. Smith/VUMC
White-haired man with glasses smiling as he stands just outside the doorway to his office. He is wearing a button-down shirt and smartwatch and his arms are crossed. The hallway behind him is lined with scientific posters.
Reposted by Chris Fonnesbeck
pymc-labs.bsky.social
We just dropped the most comprehensive #PyMC-Marketing vs. #Meridian 𝐐𝐮𝐚𝐧𝐭𝐢𝐭𝐚𝐭𝐢𝐯𝐞 𝐂𝐨𝐦𝐩𝐚𝐫𝐢𝐬𝐨𝐧 ever conducted!

Check out our findings & code 👇👇
dub.link/CLWnkdf

#MMM #MarketingMixModel #PyMCMarketing #Meridian
PyMC-Marketing vs. Meridian: A Quantitative Comparison of Open Source MMM Libraries
This benchmark study directly compares PyMC-Marketing and Google’s Meridian on realistic synthetic datasets, from startup-scale to enterprise-level. Using aligned priors and identical configurations, ...
dub.link
fonnesbeck.bsky.social
Translation: "I hope to God that a transgender person did this, otherwise I have no message."
justinbaragona.bsky.social
Fox News' Jason Chaffetz: "I don’t think it was a coincidence that the shot rang out when you have a question about transgender mass shootings. Hopefully I am wrong. I will probably get criticized for jumping to conclusions... I don’t think that is a coincidence but we will see."
fonnesbeck.bsky.social
For anyone interested in learning about what goes on under the hood of PyMC, this short series of talks is for you! 🚀
pymc-labs.bsky.social
Behind every #PyMC model is #PyTensor — a computational graph library for speed, flexibility & autodiff.

Session 1 of our PyTensor Workshop is live 🎥
👉 dub.link/pytensor-gra...

#PyMC #Python #MachineLearning
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