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Tristan Snowsill

@tmsnowsill.bsky.social

Health economist at the University of Exeter. Also: stats, maths, politics, Star Wars, programming, NFL New York Jets, Formula 1, pixel art...

431 Followers  |  766 Following  |  98 Posts  |  Joined: 08.08.2024
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Posts by Tristan Snowsill (@tmsnowsill.bsky.social)

Ah right, an impairment is when you thought your building was worth Β£8mn and it gets valued instead at Β£6mn. That isn't a problem unless you were planning to sell it, or you need to spend Β£2mn to get it to a usable condition!

28.02.2026 21:06 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 1    πŸ“Œ 0

So towards the top of RG for % spent on staff costs. Unsurprising they are targeting staff cuts, but it's a strategy that works much less than senior management like to imagine.

Thanks for the charts!

28.02.2026 21:04 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 1    πŸ“Œ 0

I have not, but my maths suggests the note has frequency of 58.3 Hz or some power of 2 multiple of that. It should look like it is vibrating extremely slowly?

If you bend by a quarter-tone you would almost identically sync with the camera frame rate!

25.02.2026 21:46 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 1    πŸ“Œ 0

I get that, but I actually think it's good to have a clear distinction between the operators for variable assignment, function parameter setting, and equality testing.

But if it's in your own code, you're not hurting anyone!

24.02.2026 06:46 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0

Given that #Rstats as a language belongs in the bottom right (I say with affection), I'll allow it!

23.02.2026 22:15 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0

No, I think using '=' for assignment in #Rstats goes on the bottom row... πŸ˜‰

23.02.2026 22:01 β€” πŸ‘ 7    πŸ” 1    πŸ’¬ 2    πŸ“Œ 0

"It upsets the people who want me to fail" probably isn't a good enough decision making heuristic to use it regularly or for big decisions...

27.01.2026 21:18 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0

#NFL I really need to see Sam Darnold tear the Patriots to pieces and get his revenge for the "seeing ghosts" game 🀞

25.01.2026 20:00 β€” πŸ‘ 0    πŸ” 1    πŸ’¬ 0    πŸ“Œ 0
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Thousands of scientists inflate their CVs with self-published studies that cost millions of dollars of public money An analysis of 100,000 special issues of academic journals reveals that one in eight is filled with articles written by the editor, particularly at the publisher MDPI

Thousands of scientists inflate their CVs with self-published studies that cost millions of dollars of public money
1 in 8 'special issues' is filled with articles written by the editor, particularly at the publisher MDPI
@manuelansede.bsky.social
english.elpais.com/science-tech...

25.01.2026 19:41 β€” πŸ‘ 77    πŸ” 36    πŸ’¬ 6    πŸ“Œ 9

So interesting! Suggests there is willingness to pay a price premium for free range which is unaffected by the regulation change (people don't think the change was enough, or don't know about it) or income effect.

Not sure you would put it down to supernormal profits being allowed in the short run.

25.01.2026 07:36 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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We’re running a new study exploring how young people use AI chatbots like ChatGPT for mental health support. If you’re aged 16-25, live in the UK, and have used AI chatbots for mental health, we’d love to hear from you!! @oxchildpsych.bsky.social @emmasoneson.bsky.social
πŸ‘‰ lnkd.in/eQSRzyej

20.01.2026 14:53 β€” πŸ‘ 4    πŸ” 6    πŸ’¬ 0    πŸ“Œ 0

The deadline for this funded #PhD studentship suiting #mathematics #statistics #CompSci #HealthEcon is in less than 24 hours (12:00 noon GMT)!

Still just enough time to put together an application πŸ‘

#math #stats #ComputerScience

11.01.2026 18:52 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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EPSRC DLA funded PhD Studentship | University of Exeter The University of Exeter has a number of fully funded EPSRC (Engineering and Physical Sciences Research Council) Doctoral Landscape Award (EPSRC DLA) studentships for 2026/27 entry.

Please note the deadline. More details and the link to apply at www.exeter.ac.uk/study/fundin...

I'm very happy to discuss further with anyone interested.

Please circulate among relevant programmes.

06.01.2026 19:50 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0

Some of these analyses are currently difficult to conduct and involve computationally expensive naive Monte Carlo.

We will investigate alternatives which can leverage probabilistic programming techniques (as seen in PyTorch, Jax, Pyro, Stan) for lightning fast approximations, and more!

06.01.2026 19:50 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 1    πŸ“Œ 0

This would be a great PhD for anyone keen on #mathematics #statistics #CompSci #HealthEconomics #UncertaintyQuantification #UQ

Health economic models are used for various analyses to inform decision makers including govt agencies (NICE), research funders and pharma companies...

06.01.2026 19:50 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 1    πŸ“Œ 0
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EPSRC DLA funded PhD Studentship | University of Exeter The University of Exeter has a number of fully funded EPSRC (Engineering and Physical Sciences Research Council) Doctoral Landscape Award (EPSRC DLA) studentships for 2026/27 entry.

Please share this EPSRC funded #PhD studentship in the UK!

How can we use state of the art programming techniques to unlock complex analyses and new ways of working in the evaluation of health technologies?

www.exeter.ac.uk/study/fundin...

Deadline Monday 12 at midday (London, UK)

More details..

06.01.2026 19:50 β€” πŸ‘ 2    πŸ” 0    πŸ’¬ 1    πŸ“Œ 0

Just over 1 week left to apply for these funded #PhD #studentship opportunities at the University of Exeter, one of which is to work with me on the intersection of #HealthEconomics #ComputerScience and #statistics

Get in touch with me if you have any questions!

03.01.2026 15:47 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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The former ambassador to Denmark for the United States, Rufus Gifford, posted this video on his Facebook account:

Ht: @hpsc24.bsky.social

29.03.2025 15:26 β€” πŸ‘ 8432    πŸ” 3884    πŸ’¬ 209    πŸ“Œ 429

I'm guessing that now there are actually questions for Farage to answer, he won't be on Question Time for a change?

26.11.2025 09:53 β€” πŸ‘ 2    πŸ” 1    πŸ’¬ 0    πŸ“Œ 0
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EPSRC DLA funded PhD Studentship | University of Exeter The University of Exeter has a number of fully funded EPSRC (Engineering and Physical Sciences Research Council) Doctoral Landscape Award (EPSRC DLA) studentships for 2026/27 entry.

***FUNDED PHD STUDENTSHIP***

Are you interested in how mathematics and computer science can be used to make cost-effectiveness analysis more efficient?

Please see www.exeter.ac.uk/study/fundin... and click on the first project listed.

Feel free to ask me any questions!

#HealthEconomics

18.11.2025 08:19 β€” πŸ‘ 2    πŸ” 0    πŸ’¬ 0    πŸ“Œ 2

...use a novel instrument (rainfall) to correct for endogeneity, and show that...

01.11.2025 18:56 β€” πŸ‘ 2    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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Asylum seekers, housed in hotels in Manchester, are reaching out in their own words to address the concerns of the local community.

Please take a minute to read their letter, & share it with the people in your life who need to hear the truth about the people they are protesting.

27.10.2025 11:41 β€” πŸ‘ 2068    πŸ” 1322    πŸ’¬ 43    πŸ“Œ 65
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Deporting legally settled people is β€˜broadly in line’ with Tory policy, says Badenoch’s office Conservative leader’s spokesperson sets out plan to strip the right of indefinite leave to remain from people claiming benefits

This is just ridiculous as a policy. We would think it was atrocious if someone we cared for was kicked out of another country they'd made home, especially after securing a settled legal status.

The Conservatives are not serious, they are flailing.

www.theguardian.com/politics/202...

22.10.2025 19:29 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
Star Wars: CCG card for Mantellian Savrip

Star Wars: CCG card for Mantellian Savrip

A great listen as always. I feel you are definitely going to be disappointed if you want lots of New Republic politics world-building.

Also I did not recognise the Mantellian savrip in the teaser... I think it probably all adds up to Mando heading to Ord Mantell!

22.10.2025 15:09 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0

It feels like it should be consistent and possibly unbiased, but that's purely intuition. Is there a theory covering this?

21.10.2025 16:27 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0

If I simulate a data generating process with known parameters, then calculate the likelihood function for a single parameter conditional on the other parameters taking their true value, what are the properties of the maximum of that conditional likelihood function as an estimator? #bayesian #stats

21.10.2025 16:26 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 1    πŸ“Œ 0
R for Data Science (2e)

You might be looking for @hadley.nz R For Data Science (R4DS) book? r4ds.hadley.nz

Packages like dplyr do have great documentation at their tidyverse.org websites including articles (like vignettes).

18.10.2025 05:51 β€” πŸ‘ 2    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0

And presumably they didn't enter with such high scores that this would be a ceiling effect on the measures?

17.10.2025 06:28 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0

Trying to sum up, in a pithy way, the challenges of modern (political) polling...

"Voting intention polling has three main weaknesses: they ask the wrong people the wrong question, and the respondents often answer a different question."

15.10.2025 07:28 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0

Under UK law, a company can make Β£200m+ in sales and still hide its profit & loss by calling itself β€œsmall”.

That’s how PPE Medpro kept its finances secret.

A short thread on one of Britain’s daftest loopholes, the 1970s EU compromise that created it β€” and how to fix it.

04.10.2025 08:34 β€” πŸ‘ 376    πŸ” 182    πŸ’¬ 6    πŸ“Œ 7