Ollie Östlund
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Ollie Östlund
@ostlundollie.bsky.social
Docent in biostatistics at Uppsala University and Expert Statistician at UCR, Uppsala Clinical Research Center. Randomisation is the only true magic.
Reposted by Ollie Östlund
När resurser och intresse!

Är du transperson, närstående eller allierad?

Bli medlem här och få en välkomstgåva under vår medlemskampanj. Vi har redan slagit medlemsrekordet från i fjol. Hjälp oss nå 2800 i år!

transammans.se/bli-medlem-e...
November 21, 2025 at 10:34 AM
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Ultraprocessad mat är exempelvis bröstmjölksersättning, alkoholfritt vin, tofu, lightdricka och fullkornsbröd.
November 21, 2025 at 9:10 AM
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Dags för kommunfullmäktige i Falun igen, som ni har väntat!

Idag blir det reviderade budgetar (trist befolkningsprognos), planprogram för nytt område, Dalaflygets framtid och en motion från mig om solceller ifall jag hinner.

Måste pipa 1630 för att kunna skjutsa till jujutsu hashtag livet.
November 20, 2025 at 12:16 PM
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The idea that you should be allowed to drive a god damn *car* weighting more than one ton in a *city* at more than 30km/h is absolutely insane.
“Helsinki hasn’t registered a single traffic-related fatality in the past year…Citing data that shows the risk of pedestrian fatality is cut in half by reducing a car’s speed from 40 to 30km/hr, city officials imposed the lower limit in most of Helsinki’s residential areas & city center in 2021.”
Helsinki just went a full year without a single traffic death
The capital city is Finnish’ed with car-related fatalities.
www.politico.eu
November 19, 2025 at 6:16 AM
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There's got to be SOME hypothesis that makes our experiment useless. THINK!

COMIC ◆ www.smbc-comics.com/comic/stats-3
PATREON ◆ www.patreon.com/ZachWeinersm...
STORE ◆ smbc-store.myshopify.com
November 18, 2025 at 11:30 PM
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"Using p<.05 is *bad*, but if you just work out the two values for which p=.05 and use those, that's *good*"
November 18, 2025 at 8:59 AM
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Luckily, you don't need to choose b/c you can use them both! The framing of "p value bad"/"CI good" means that some people never really get that they're based on the same information & the same basic stat. philosophy (some of these points are made here: richarddmorey.medium.com/power-and-pr...)
Power and precision
Why the push for replacing “power” with “precision” is misguided
richarddmorey.medium.com
November 18, 2025 at 1:42 PM
Reposted by Ollie Östlund
We did a thing. 😬
The link between the gut #microbiome and autism is not backed by science, researchers say.

Read the full opinion piece in @cp-neuron.bsky.social: spkl.io/63322AbxpA

@wiringthebrain.bsky.social, @statsepi.bsky.social, & @deevybee.bsky.social
November 13, 2025 at 5:59 PM
Reposted by Ollie Östlund
The BBC, quite consciously, sets out to demean and belittle trans people. This is both morally contemptible and in breach of its Charter obligations. We've made it super easy for you to write to the BBC and tell it to stop.

Please use - and share with your networks.
goodlaw.social/2j5q
The BBC must stop attacking trans people | Good Law Project
The right wing accusations of ‘pro-trans’ bias are back to front. It’s time for the BBC to live up to its duty to be impartial on trans issues.
goodlaw.social
November 14, 2025 at 12:39 PM
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… & ask ppl what they think of your idea/article etc. If more journos did that they’d know that LGBTQ ppl don’t separate out the T, that LGBTQ ppl see trans & NB ppl as core parts of the community, that we all see transphobia as just homophobia rebottled. Transphobia is ignorant bigotry & hate.
November 14, 2025 at 3:10 PM
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To be clear: every time I enter a road race it is absolutely my intention to win but I need people to understand that if I do win it’s because I train hard and push myself to my limits and I’m no less deserving of that opportunity than any other woman
I think the thing about saying that trans women have a biological advantage in sports that is the most personally upsetting to me is that it very obviously has me at a pretty large *disadvantage* in cycling because my power to weight ratio is absolutely tragic.
November 14, 2025 at 4:21 PM
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Tolkien har två sorters hjältekaraktärer. Det germanska krigaridealet, som är tragisk, offrar de sina för heder o ära, orsakar undergång. En avskräckande karaktär. Denna högern runkar över.

Den verkliga hjälten är de små som bara kämpar defensivt för skydda sig o sina ska kunna fly o bevara livet.
"det finns inga manliga förebilder" = vuxenbarnstänkande där man förväntar sig att det typ ska finnas hjältekaraktärer från sagan ringen i det vanliga livet
November 14, 2025 at 11:55 AM
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crazy

IG em_clarkson
November 14, 2025 at 2:54 AM
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November 12, 2025 at 11:57 AM
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Idag firar vi tvåårsminnet av när en man i Boden råkade spontanköpa en bepansrad isbjörn
November 11, 2025 at 8:04 PM
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It’s hard in general for a risk ratio to be as transportable as an odds ratio, e.g. a risk ratio of 2 cannot apply to a base risk of 0.51. hbiostat.org/rmsc/lrm
November 10, 2025 at 12:38 PM
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Tillsammans med porrbotarna och nazisterna på plattformen X minglar en rad politiker, pressekreterare och borgerliga opinionsbildare. Det blir riktigt jobbigt när de sedan doppar tårna i verkligheten och ryggdunkarna uteblir

www.etc.se/ledare/moder...
Moderater måste tro att världen blivit galen
Får ryggdunkar på X – hånas av alla andra.
www.etc.se
November 10, 2025 at 9:49 AM
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Det är märkligt tyst kring det här. Ingen gräver på de hot som fick en partiledare att avgå.

Noll gräv, noll utredning, noll förslag.

Jämför med hur mkt liv det blev kring Bohlins promenad där demonstranter ropade efter honom, vilket resulterade i förslag på inskränkningar i demonstrationsrätten.
November 10, 2025 at 6:52 AM
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Peter Attia hittar på saker

Väldigt vilseledande information i serien Limitless på Disney Plus traningslara.se/valdigt-vils...
November 9, 2025 at 7:05 PM
Reposted by Ollie Östlund
Fortsätter läsa #sfnoveller och har nu tagit mig an "Understudies" av Greg Egan. Diamanthård science fiction, precis som man kan vänta sig av just honom. Vem annars skulle skriva en novell med matematiska formler i? Och som till hälften handlar om tankenötter?

Temat: människan i AI-världen.
Understudies by Greg Egan
Clarkesworld Science Fiction and Fantasy Magazine and Podcast.
clarkesworldmagazine.com
November 9, 2025 at 8:17 AM
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All of the data shows that COVID-19 has diminished enormously in severity and impact since 2022.

Pretending that somehow it's going to destroy people's immune systems now, years later, is unscientific and very sad.
November 8, 2025 at 6:27 AM
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I feel like we have the opportunity to turn David Lynch's quote into this moment's "Keep Calm and Carry On" and it's a far better rallying cry too.
November 7, 2025 at 1:15 PM
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If people are using the correct statistics, casual inference and study design, they will quickly realize they don't have the funds to design the study, the time to learn the statistics, or the right data to answer the actual question they are interested in. Then they will never publish or get tenure
November 7, 2025 at 10:44 AM
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Darren, by using appropriate statistics/study design/causal inference methods you make nice findings go away. Surely nobody wants that.
November 7, 2025 at 10:38 AM
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The advances we've made in statistics, experimental study design, and causal inference over the past century are remarkably useful for understanding our world. But there is never been a push to make people use them like we are seeing with generative AI. Perhaps take a moment to consider why.
November 7, 2025 at 9:07 AM