Skrub @skrub-data.bsky.social skrub is a Python library to ease preprocessing and feature engineering for tabular machine learning.
Our long-term goal is to directly connect database tables to machine learning estimators.
https://skrub-data.org
https://discord.gg/ABaPnm7fDC
Carly Brantner @carlybrantner.bsky.social Assistant Professor of Biostatistics & Bioinformatics @ Duke University and Duke Clinical Research Institute
marimo @marimo.io An open-source reactive Python notebook: reproducible, git-friendly, execute as scripts, share as apps!
GitHub: https://github.com/marimo-team/marimo
Discord: https://marimo.io/discord?ref=bsky
Andy Kirk @visualisingdata.com An Independent Data Visualisation Expert educating, inspiring, and celebrating data viz excellence, everywhere since 2010.
🇬🇧 in 🇮🇪
It’s all here http://visualisingdata.com/
Carlos Scheidegger @cscheid.net Engineer at Posit, technical lead for quarto.org
Touching grass by learning Brazilian music. feet in Minneapolis, heart in some random Brazil beach town I don't even know yet
On hiatus because 2026. DMs open but do please try to be normal out there
Posit @posit.co We make free, open-source software for data scientists like the RStudio IDE.
We're formerly known as RStudio. You can always download our open-source IDE here. https://posit.co/download/rstudio-desktop/
Wes McKinney @wesmckinney.com Principal Architect @posit.co, GP Composed Ventures, Co-founder Voltron Data. Open source: Apache Arrow, pandas, Ibis. "Python for Data Analysis" book
Michael Chow @mchow.com cog psych phd, table displayer, plant enthusiast.
data science tools @posit.co.
senior advisor at CodeForPhilly.
Playdate @play.date A brand new handheld video game system from Panic.
➡️ Available at https://play.date
💬 Need help? Go to https://help.play.date
Casual Inference Podcast @casualinfer.bsky.social Casual Inference Podcast. Hosted by @LucyStats.bsky.social & @EpiEllie.bsky.social | Partnered with The American Journal of Epidemiology | Casual chats about epi & stats. Episodes every other week!
Lucy D’Agostino McGowan @lucystats.bsky.social Biostatistician • Associate Prof @ Wake Forest University • former postdoc @ Hopkins Biostat • PhD @ Vandy Biostat • 🎙 Casual Inference • lucymcgowan.com
Dr Ellie Murray, ScD @epiellie.bsky.social Epidemiologist and science communicator | newsletter: epiellie.substack.com | cohost @casualinfer podcast | Causal inference for public health #epitwitter | Canadian in US 🇨🇦 | she/her/Dr
Harvard Epidemiology @harvardepi.bsky.social The official account of the Harvard T.H. Chan School of Public Health Department of Epidemiology | Our YouTube: http://goo.gl/3JZ4wR
CTML - Center for Targeted Machine Learning and Causal Inference @berkeleyctml.bsky.social CTML, at UC Berkeley, is an interdisciplinary research center for advancing, implementing, and disseminating methodology to address problems arising in public health and clinical medicine.
https://linktr.ee/ctml_ucberkeley
Pausal Zivference @pausalz.bsky.social Paul Zivich, Assistant (to the Regional) Professor
Computational epidemiologist, causal inference researcher, amateur mycologist, and open-source enthusiast.
https://github.com/pzivich
#epidemiology #statistics #python #episky #causalsky
Causalscience.org @causalscience.org Fostering a dialogue between industry and academia on causal data science.
Causal Data Science Meeting 2025: causalscience.org
Rodrigo Girão Serrão 🐍🚀 @mathspp.com I'll help you take your Python skills to the next level!
Python deep dive every Monday 🐍🚀 -> https://mathspp.com/insider
Short daily drop of Python knowledge 🐍💧 -> https://mathspp.com/drops
🚀 Brian Okken @brianokken.bsky.social Lead Software Engineer, Author
testandcode.org
leantdd.com
pytest courses: courses.pythontest.com
#Python #pytest
Owen Lamont @owen7ba.bsky.social Coder into Python and Rust. Interested in all things software engineering, data science, and computer graphics.
Mine Çetinkaya-Rundel @minecr.bsky.social she/her
professor at duke university + developer educator at posit
cat videos = instant smiles
https://mine-cr.com
https://fosstodon.org/@minecr
Hadley Wickham @hadley.nz R, data, 🐕, 🍸, 🌈. He/him.
Gaël Varoquaux @gaelvaroquaux.bsky.social Research & code: Research director @inria
►Data, Health, & Computer science
►Python coder, (co)founder of scikit-learn, joblib, & @probabl.bsky.social
►Sometimes does art photography
►Physics PhD
Vincent D. Warmerdam @koaning.bsky.social Prefer common sense over hype. Employed at @marimo.io, known for calmcode.io and koaning.io. Also working on remember.cards these days.
Kevin Markham @dataschool.io Teaching Data Science 🤖 with Python 🐍 since 2014
Courses: https://courses.dataschool.io
Newsletter: https://tuesday.tips
Videos: https://www.youtube.com/@dataschool
Living in beautiful Asheville, North Carolina 🌲
Sebastián Ramírez @tiangolo.com Creator of @fastapi.tiangolo.com, Typer, SQLModel, Asyncer, etc 🚀
From 🇨🇴 in 🇩🇪
Open Source, APIs, and tools for data/ML 🤖
Building @fastapicloud.com ⚡️
Charlie Marsh @crmarsh.com Building Astral: Ruff, uv, and other high-performance Python tools, written in Rust.
Talk Python Podcast @talkpython.fm The #1 Python-focused podcast covering the people and ideas in Python. Created and hosted by @mkennedy.codes. Get all the episodes at https://talkpython.fm/episodes/all
Jake VanderPlas @jakevdp.bsky.social Write code. Mostly Python.
Ines Montani 〰️ @inesmontani.bsky.social 💥 Founder & CEO @explosion.ai
👩💻 Developing spacy.io + prodi.gy + beta.ellf.ai
🐍 Python Software Foundation Fellow
⚡ Hacking @feministai.party
🧠 AI, Machine Learning & NLP
💼 linkedin.com/in/inesmontani
🐘 sigmoid.social/@ines
💥 explosion.ai
🌎 ines.io
Ned Batchelder @nedbat.com Python, Boston, mathy fun, juggling, autism parenting. https://nedbat.com
Łukasz Langa @lukasz.langa.pl CPython Developer in Residence, Python 3.8 and 3.9 release manager. Gradual typing enthusiast, asynchronous programming proponent, creator of the auto-formatter Black.
He produces electronic music, which includes software and hardware of his own making.
Brett Cannon @snarky.ca #Python core developer who also works on packaging; works on Python stuff at #Microsoft (although this is a personal account). Proudly #Canadian.
Allen Downey @allendowney.bsky.social Former professor at Olin College, principal data scientist at PyMC Labs, author of Think Python, and Probably Overthinking It -- blog and book -- and stark raving Bayesian.
Michael Kennedy @mkennedy.codes Python enthusiast and entrepreneur. Host of @talkpython.fm and @pythonbytes.fm podcasts, founder of Talk Python Training (https://talkpython.fm/courses). Python Software Foundation Fellow. Writing at https://mkennedy.codes Based in Portland, OR, USA.
Will McGugan @willmcgugan.bsky.social CEO / Founder of https://textualize.io Hyperborean Python expert, author, humanist, husband, sometimes wildlife photographer. Carbonara aficionado. He/him. 
Miguel Hernan @miguelhernan.org https://miguelhernan.org/
Using health data to learn what works.
Making #causalinference less casual.
Director, @causalab.org
Professor, @hsph.harvard.edu
Methods Editor, Annals of Internal Medicine @annalsofim.bsky.social
CAUSALab @causalab.org Actionable #causalinference with real-world impact.
We use health data to help decision makers make better decisions.
We train investigators at Harvard T.H. Chan School of Public Health.
Connect with CAUSALab: https://linktr.ee/causalab
Bluesky @bsky.app official Bluesky account (check username👆)
Bugs, feature requests, feedback: support@bsky.app