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Posts by Martyn Plummer

And, with error bars, no less

6 hours ago 19 5 1 0

”What is best in life?”

2 days ago 1 0 1 0

When I started legal blogging I thought it would be a little bit of contract law or libel law, and the occasional judicial review with constitutional implications.

Now: a constant stream of constitutional crises, fundamental human rights abuses, and war crimes and other crimes against humanity.

1 week ago 458 59 32 0

Good spot! If you generate a Cauchy random variable as tan(pi*U) for U ~ uniform(0,1) then this reduces to Box-Muller.

2 weeks ago 2 0 1 0
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Higher multipoles of the cow Editor's Note: The spherical cow is a useful approximation familiar to physicists. But what does it leave out? How can you systematically improve on this approx

Going beyond the spherical cow approximation. The paper we all needed. 🎢 ⚛️ 🧪 ♾️ 🐄

2 weeks ago 135 46 11 14

Generative AI has raised difficult questions about the relationship between language and meaning, and between language and consciousnesses itself. You can now have a "conversation" with something that is not conscious. People have fallen in love, or been driven into psychosis. It's very troubling.

3 weeks ago 1 0 2 0

It's been a long time since I read Dennett's book, but I remember finding it very frustrating. If I recall he "explains" consciousness as a post hoc editorial construct built on competing asynchronous processes in the brain. But if consciousness is just an illusion then *who* is experiencing it?

3 weeks ago 1 0 2 0
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Me, when I call a credible interval a confidence interval

1 month ago 25 4 4 0

See also Guy Debord.

1 month ago 1 0 0 0
R.I.P., John Fox - Yihui Xie | 谢益辉 Last November, I learned the very sad news from Michael Friendly that John Fox had passed away. That brought my memory back to 2006 when I emailed John for the first time asking for his help on a &hel...

#rstats RIP, John Fox
@yihui.org just published this lovely tribute to John Fox and his work

yihui.org/en/2026/02/j...

2 months ago 32 15 0 1
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I think there is not enough appreciation to how good this FT visualization is

the original is like this 👇

1 month ago 306 86 9 8

We’re living in a constant loop of this cartoon:

2 months ago 10 3 0 0
1-panel SMBC comic update. Three men are startled and afraid, standing around an opened Egyptian sarcophagus, with a mummy sitting up in it. The mummy says "for that you have disturbed my tomb, you shall die at a typical actuarial rate, but perceive it as unusually high!" The caption below the panel reads "my favorite genre it Stats Horror."

1-panel SMBC comic update. Three men are startled and afraid, standing around an opened Egyptian sarcophagus, with a mummy sitting up in it. The mummy says "for that you have disturbed my tomb, you shall die at a typical actuarial rate, but perceive it as unusually high!" The caption below the panel reads "my favorite genre it Stats Horror."

Anything that deviates from normal is a conspiracy, including when things are precisely normal.

COMIC ◆ www.smbc-comics.com/comic/curse-2
PATREON ◆ www.patreon.com/ZachWeinersm...
STORE ◆ smbc-store.myshopify.com

2 months ago 210 34 4 1

Effective Altruists only needed to speak to one economist who could explain why future utilities must be discounted. This could have prevented their descent into the madness of only caring about people who don’t exist (yet).

2 months ago 1 0 0 0
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A tribute to David MacKay “I didn’t know David personally but was a great admirer of his work.” “David seemed to have infinite patience.” “He treated the audience with respect, trusted them with complexity, and showed that r...

Next month the Cambridge Philosophical Society is hosting an event to celebrate David MacKay and his work on the tenth anniversary of his passing. The organizers are soliciting notes sharing how his work has impacted people -- you can submit at docs.google.com/forms/d/e/1F....

2 months ago 17 8 0 0

Offering you everything cheaper, or for nothing, costs you SO MUCH.

It’s a really expensive deal. You don’t win. Not in the end.

2 months ago 34 5 3 0
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“We don’t have trustworthy news sources or socially responsible media at all any more. But on the plus side, a machine that lies and makes us all more ignorant and furious saves me up to £3 a week. Bargain.”

2 months ago 30 8 2 0

A sad day.

bsky.app/profile/ones...

2 months ago 3 0 0 0

This has been a long time coming. The first withdrawal, announced in July 2020, was halted by Joe Biden on his first day in office on 20 January 2021. Donald Trump signed an executive order reaffirming the withdrawal on his return to office on 20 January 2025. One year later here we are.

2 months ago 1 1 1 0
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*Environmental Modelling meets Infectious Diseases: from Mathematics to Applications* Upcoming workshop in Warwick Stats, supported CRiSM, LMS and RSS. We aim to promote the transfer of ideas between the environmental modelling and infectious disease modelling communities.
http://go.warwick.ac

4 months ago 3 3 1 0

Added to my Christmas list . Thanks.

About half way though Person of Interest in case you are wondering if I listen to your recommendations.

4 months ago 1 0 2 0

I live in Coventry South and can confirm. Sultana scraped in with a 401 majority in 2019. Her majority increased to 10000 in 2024 mainly because the Conservative vote plummeted. It was not a personal endorsement of her politics.

4 months ago 4 1 0 0

This is very sad news. John had an enormous influence over applied statistics through his books and software. It was always a pleasure to interact with him.

4 months ago 5 0 0 0

Tim Capello in The Lost Boys (1987) was peak sax. It was all downhill from there.

4 months ago 1 0 2 0
Graph illustrating Fechner's Law, S = k log I. It plots I= intensity of a stimulus on the horizontal axis vs. perceived Stimulus sensation on the vertical.

Graph illustrating Fechner's Law, S = k log I. It plots I= intensity of a stimulus on the horizontal axis vs. perceived Stimulus sensation on the vertical.

Photo of Gustav Fechner, sitting, holding a book

Photo of Gustav Fechner, sitting, holding a book

#TodayinHistory #dataviz #OTD 📊
💀Nov 18, 1887 Gustav Theodor Fechner died in Leipzig, Germany 🇩🇪

1850: Fechner's Law: the subjective sensation is proportional to the log of stimulus intensity. This is a core idea behind accuracy of visual encoding of data -- eg, length > angle > area > color

5 months ago 2 1 0 0
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5 months ago 6589 2837 79 129
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Andrew Mountbatten Windsor Isn’t a Prince Anymore, but He Could Still Become King King Charles’s brother remains eighth in the line of succession even though he no longer has his royal titles and honors.

This remake of Kind Hearts and Coronets is a bit dark.

www.vanityfair.com/style/story/...

5 months ago 1 0 0 0

student used some AI-assisted code to compute ROC stats with weights and the AI hallucinated pROC::roc(…, weights = weights). (the function doesn’t have a weights argument.) and because the function has a … argument, the fake weights argument was ignored without any warning

5 months ago 22 3 2 1

The No Kings protests in the UK today have been helpfully renamed “No Tyrants”, just to clarify that they don’t want to get rid of the actual king.

6 months ago 1 0 0 0

I think it’s plausible that, under the right conditions, life is common, but intelligent life is rare (it took billions of years on Earth). Without fossil fuels a sustainable industrial revolution might be next to impossible so industrial civilisations are even more rare.

6 months ago 1 0 3 0