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I do machine learning and natural language processing. Tells jokes and anecdotes.

[∬ ⌬ + ☢ @zaxtax]

@niall20 Below is a Bayesian causal impact model built in PyMC — recovering an intervention effect from observational time series, with uncertainty on every estimate.

This is our only in-person workshop in London this year. Register now to secure your seat: https://t.co/n3lSsAHh9c

6/6

[∬ ⌬ + ☢ @zaxtax]

What priors should I use for my parameters?
How do I fit a Bayesian model when I have so much data?
How do I diagnose and debug what's wrong with my Bayesian model?

1/ 🧵

[∬ ⌬ + ☢ @zaxtax]

@niall20 You'll learn how to:

* Use variational inference to massively speed up inference on large datasets,
* Build causal models that quantify true impact, not just correlation,
* Identify when your model is under-specified or over-determined, and how to rewrite it

5/

[PyMC Labs @pymc_labs]

🚀 Thrilled to welcome our new Bayesian Wizard, @zaxtax, as Data Scientist @pymc_labs🧙‍♂️ With over a decade of expertise in Bayesian modeling & probabilistic programming, he's set to push boundaries on fascinating tech challenges across industries.🔥 Let's do this! #Bayesian #PyMC

[∬ ⌬ + ☢ @zaxtax]

@leozh Hey what city are you in? Is it anywhere near Berlin?

[∬ ⌬ + ☢ @zaxtax]

If you use #pymc, do you prefer an explicit or implicit style for passing in coords?

https://t.co/bj0xYE3ZF4

[∬ ⌬ + ☢ @zaxtax]

For those in Germany in need of statistics and machine learning expertise. I am available for hire!

[∬ ⌬ + ☢ @zaxtax]

@twiecki Good job @theorashid !

[∬ ⌬ + ☢ @zaxtax]

@twiecki I just updated the blogpost to show that the idea is very usable even when your coords need to change!

[∬ ⌬ + ☢ @zaxtax]

@acgt01 @timtriche @vagar112 @nomad421 @genophoria @danielcjones They'd be fairly out of date now. Let's continue this chat on Mastodon.

[∬ ⌬ + ☢ @zaxtax]

@timtriche And I just sent ya a follow-back

[∬ ⌬ + ☢ @zaxtax]

@timtriche I've been there for a long while. It's pretty good once you get past some of the cultural differences

[∬ ⌬ + ☢ @zaxtax]

@althonos @twiecki @pymc_devs I don't know if `__set_name__` would work here. Random variables are not assigned as instance variables to a particular class. Could you share a snippet of how the idea would work?

[∬ ⌬ + ☢ @zaxtax]

@twiecki @pymc_devs Idea originated from Tobias Kohn for pyprob.

[PyMC Developers https://bayes.club/@pymc @pymc_devs]

We are excited to announce the Call for Proposals for the PyMCon Web Series! 🚀

We are looking for folks like you to share your knowledge, best practices, or tricks with the wider PyMC community 📣

Send your proposal: https://t.co/LKA6Nc9T3J

[∬ ⌬ + ☢ @zaxtax]

When people are amazed by the speed of progress in AI, it's worth highlighting lots of this is enabled by high-quality open-source implementations that make experimentation quick and cheap.

[∬ ⌬ + ☢ @zaxtax]

@dwgreyman @blackjax_mcmc Feel free to reach out with any questions!