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Posts by Chris Fonnesbeck

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An uncalibrated #MMM can get ROAS direction wrong, not just magnitude. We walk through prior predictive checks, ROAS parametrization, saturation likelihoods, and where lift tests break down.

Full recording available on youtube : dub.sh/oAjXCiG
#MMMCalibration #BayesianModeling

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please nuke us

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🇭🇺🇪🇺

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Hot take: all the City Connect uniforms are dreadful. All of them.

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Its not wild, its the perfect encapsulation of America.

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You could argue that teams with massive negative goal differences don't belong in the playoffs.

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Why do software companies assume Linux users want .deb installers?

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Most data scientists learn Bayesian stats from textbooks.

Few get to learn from the people who built the library.

This June, @fonnesbeck.bsky.social Niall Oulton & Robert Zinkov are running a 2.5-day hands-on PyMC workshop in London.

Reserve your spot: dub.link/oaudJAt

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I'm looking forward to teaching this. I do love the small-group, in-person format. If you can get yourself to London (or are already there), come join us!

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Very exciting!

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Of all the vile things Trump has done, this is what will finally topple him.

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Since the start of the war in Iran, the average price of gas in the U.S. has climbed by nearly a dollar, according to the Energy Information Administration. See the full state-by-state look at the increase and how it could affect you. nyti.ms/4bPAGrw

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Just heading up to Boston for @sloansportsconf.bsky.social today. If you happen to be at the meeting, please stop and say hello!

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This is good, and actually not really that Stan-specific. Could easily be used as guidance for Numpyro and PyMC with very minor tweaking.

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Updated:

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VAR is quite literally ruining football. Who wants to watch this?

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McDavid named MVP at Milano Cortina 2026 despite silver-medal finish Canadian forward Connor McDavid was named the MVP and top forward at Milano Cortina 2026 despite Canada falling to the United States 2-1 in overtime in the gold-medal game on Sunday.

Fuck this. Connor Hellebuyck is the only reason the US is wearing gold medals. The only reason.

www.tsn.ca/olympics/art...

1 month ago 1 0 0 0
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Word of the day: profligate (ˈpräfləɡət)

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My gentle Puck, come hither.

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Shooting on Hellebuyck short side when he's hugging the post is a low-probability shot. #hockeyanalytics

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Maybe the softest goal you will ever see. Canada appeared to have no idea how to run an OT.

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If you haven't cancelled your @paramountplus.com subscription, you are complicit.

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Springsteen next year. I'm sure he'd love it.

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Inside OpenAI’s Super Bowl Return, Where Codex Takes Center Stage The 60 second spot will air at the end of the first quarter.

First appearance of Bayes formula in a Superbowl commercial.
share.google/0wy4mU4LefXk...

2 months ago 0 0 0 0
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Mercury, Messenger of the Gods, by Giovanni Battista Tiepolo, 18th c, 📸 by @PhilEllsworth1

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Wow, Mike Johnson is actually swearing in Democrats now! What has the world come to?

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Why on earth would you list command options in anything but alphabetical order?

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How are those tariffs working out?

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I see blog posts like this almost every day. You never see the follow up post where the half-baked OSS tool doesn't measure up and they crawl back to the subscription. Lather, rinse and repeat.

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