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Karl Pettersson

@karlpettersson.bsky.social
769 followers 787 following 3K posts

Data mangler.

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Reposted by Karl Pettersson
Demographic Research @demresjournal.bsky.social · 01/10/2026
Deaths increasingly involve more numerous and more diverse causes, revealing a growing complexity in the mortality process, according to a new study. 📄 www.demographic-research.org/articles/vol...
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Reposted by Karl Pettersson
Karl Pettersson @karlpettersson.bsky.social · 26/09/2026
New post about recently released Swedish cause of death statistics (with a discussion about some narrow margins not related to our recent election). #rstats
static-dust.klpn.se
Det statiska dammet - In the year 2025
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Karl Pettersson @karlpettersson.bsky.social · 26/09/2026
New post about recently released Swedish cause of death statistics (with a discussion about some narrow margins not related to our recent election). #rstats
static-dust.klpn.se
Det statiska dammet - In the year 2025
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Reposted by Karl Pettersson
Demographic Research @demresjournal.bsky.social · 18/09/2026
A new Bayesian hierarchical model captures long-term and short-term age–sex mortality dynamics, allowing estimation and forecasting of monthly excess deaths, and showing that New Zealand had returned to pre-COVID mortality trends in 2025. 📄 www.demographic-research.org/articles/vol...
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Reposted by Karl Pettersson
Karl Pettersson @karlpettersson.bsky.social · 05/09/2026
New post about respiratory viruses in Sweden.
static-dust.klpn.se
Det statiska dammet - Cold school
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Karl Pettersson @karlpettersson.bsky.social · 05/09/2026
New post about respiratory viruses in Sweden.
static-dust.klpn.se
Det statiska dammet - Cold school
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Reposted by Karl Pettersson
Human Mortality Database @hmdatabase.bsky.social · 27/08/2026
📢 #episky #mortality #opendata 📈 #France #HMD series (Total & Civilian) was updated through 2024 Full life tables & data ➡️ mortality.org France continues to rank very high for women's #lifeexpectancy at birth, though not so well for men's.
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Reposted by Karl Pettersson
Karl Pettersson @karlpettersson.bsky.social · 04/08/2026
Wrote about decreasing dementia prevalence, and a simple model of past mortality based on that. #rstats
static-dust.klpn.se
Det statiska dammet - If 1984 was 2024
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Karl Pettersson @karlpettersson.bsky.social · 04/08/2026
Wrote about decreasing dementia prevalence, and a simple model of past mortality based on that. #rstats
static-dust.klpn.se
Det statiska dammet - If 1984 was 2024
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Reposted by Karl Pettersson
Haskell programming language @haskell.org · 03/08/2026
"Twenty Years of Pandoc" by John MacFarlane pandoc.org/twenty-years... #Haskell
pandoc.org
Pandoc - twenty-years-of-pandoc
A universal document converter
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Reposted by Karl Pettersson
Henrik Dahlgren @mllstrm.bsky.social · 28/07/2026
New paper out in @eclinicalmed.bsky.social Children born during the pandemic were exposed to a lesser degree to respiratory infections, we have investigated what happened to them. #episky #idsky #publichealth #epidemiology
sciencedirect.com
Post-pandemic respiratory infections in children born during or before the COVID-19 pandemic: a nationwide cohort study in Sweden
Non-pharmaceutical interventions (NPIs) during the COVID-19 pandemic altered the circulation of respiratory pathogens. Following an initial decline in…
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Reposted by Karl Pettersson
Henrik Dahlgren @mllstrm.bsky.social · 28/07/2026
Har fått en artikel publicerad där vi undersökt pandemi-barnen. Barnen som föddes under pandemin exponerades för mindre infektioner- vad fick det för konsekvenser sen? Spännande läsning utlovas!
sciencedirect.com
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Reposted by Karl Pettersson
Petra Schwer @petraschwer.bsky.social · 24/07/2026
You aim to understand a mathematical text all by yourself? I finally made an English version of my users guide on "How to read math?" You might want to download it here: web.mathi.uni-heidelberg.de/media/How_To... #math #readingmath #mathematics #matheducation #science #mathsky
web.mathi.uni-heidelberg.de
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Karl Pettersson @karlpettersson.bsky.social · 02/06/2026
45 år i dag (med icke soliga glasögon).
Självporträtt med litet bokhyllor och gardiner i bakgrunden.
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Reposted by Karl Pettersson
Elizabeth Wrigley-Field @wrigleyfield.bsky.social · 18/05/2026
New research from a team I was part of w Lauren Steele, @andreatilstra.bsky.social, & other virologists & demographers: Research on flu pandemics has been heavily shaped by 1) the 1918 flu & 2) US-specific data for other pandemics. Turns out that way understates the variety of age patterns of risk!
academic.oup.com
Age-specific mortality patterns across influenza pandemics: evidence from all-cause mortality data across multiple populations
AbstractBackground. Understanding age-specific mortality patterns across historic influenza pandemics is crucial for future pandemic preparedness. Prior re
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Reposted by Karl Pettersson
Karl Pettersson @karlpettersson.bsky.social · 26/04/2026
Wrote a new post about a prediction of Swedish cause of death patterns I made 10 years ago, and about raw contra life table-adjusted ratios. #rstats
static-dust.klpn.se
Det statiska dammet - Back to 2016
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Karl Pettersson @karlpettersson.bsky.social · 26/04/2026
Wrote a new post about a prediction of Swedish cause of death patterns I made 10 years ago, and about raw contra life table-adjusted ratios. #rstats
static-dust.klpn.se
Det statiska dammet - Back to 2016
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Reposted by Karl Pettersson
Karl Pettersson @karlpettersson.bsky.social · 12/04/2026
Made a follow-up to this quiz post, with latest available data. #rstats
static-dust.klpn.se
Det statiska dammet - Half heart
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Karl Pettersson @karlpettersson.bsky.social · 12/04/2026
Made a follow-up to this quiz post, with latest available data. #rstats
static-dust.klpn.se
Det statiska dammet - Half heart
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Reposted by Karl Pettersson
Petter Malmberg @pettermalmberg.bsky.social · 27/03/2026
Bild av Carl Barks, 125 år i dag
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Reposted by Karl Pettersson
Henrik Dahlgren @mllstrm.bsky.social · 03/03/2026
#episky #idsky Temporal association and seasonal variation of respiratory viruses and invasive group A streptococcal infections in Western Sweden, a 15-year analysis across pre- and postpandemic periods - International Journal of Infectious Diseases www.ijidonline.com/article/S120...
ijidonline.com
Temporal association and seasonal variation of respiratory viruses and invasive group A streptococcal infections in Western Sweden, a 15-year analysis across pre- and postpandemic periods
Group A beta-hemolytic streptococci (GAS), or Streptococcus pyogenes, are Gram-positive cocci and a common cause of human infections. GAS can cause a variety of infections, from mild pharyngitis and s...
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Reposted by Karl Pettersson
Karl Pettersson @karlpettersson.bsky.social · 01/03/2026
Continued updates in new post.
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Reposted by Karl Pettersson
Karl Pettersson @karlpettersson.bsky.social · 01/03/2026
Some updates about life expectancy and influenza in Sweden. #rstats
static-dust.klpn.se
Det statiska dammet - Melting away
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Karl Pettersson @karlpettersson.bsky.social · 01/03/2026
Some updates about life expectancy and influenza in Sweden. #rstats
static-dust.klpn.se
Det statiska dammet - Melting away
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Reposted by Karl Pettersson
Svensk filosofi @svenskfilosofi.se · 18/02/2026
I takt med det stundande valåret lanserar Svensk filosofi artikelserien Politiken i språket. Detta för att främja det demokratiska samtalet. Först ut är Peter Pagin, professor emeritus i teoretisk filosofi vid Stockholms universitet, som skriver om hur vi bör definiera propaganda.
svenskfilosofi.se
Opinionsbildning eller propaganda?
När går politisk kommunikation över i propaganda? Peter Pagin, professor emeritus i teoretisk filosofi vid Stockholms universitet, undersöker gränsen mellan berättigad opinionsbildning och politisk ma...
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Reposted by Karl Pettersson
Ola Spännar @olaspannar.bsky.social · 15/01/2026
Hurra! Idag fyller Wikipedia 25 år. Fri kunskap – öppen för alla och skapad av många. Ideellt och medborgardrivet. Fantastisk grej. Skänk gärna en slant donate.wikimedia.org/w/index.php?...
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Reposted by Karl Pettersson
Gunnar Björnsson @gbjorn.bsky.social · 08/01/2026
Martin Peterson doesn’t suffer fools gladly.
Dr. Sweet,
As you may have noticed, I believe it is important to document that philosophy professors at Texas A&M University are not permitted to teach Plato at their own discretion.
To comply with the new censorship requirements, I have replaced the affected module with lectures on free speech and academic freedom. The censored material is marked in red in the attached document. The required text for the new module is:
Texas A&M, Under New Curriculum Limits, Warns Professor Not to Teach Plato”, The New York Times, January 8, 2026.
[Link: Texas A&M Warns Professor Not to Teach Plato Because of Gender Rules - The New York Times]
Respectfully,
Martin Peterson
Sue G. and Harry E. Bovay Jr. Chair
Department of Philosophy
Texas A&M University
www.martinpeterson.org​​​​​​​​​​​​​​​​
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Reposted by Karl Pettersson
David Brax @davidbrax.bsky.social · 05/01/2026
Utomordentliga nyheter! Nu finns alla nummer av Filosofisk Tidskrift fritt tillgängliga digitalt! www.filosofisktidskrift.se/index.html
filosofisktidskrift.se
Filosofisk tidskrift
Filosofisk tidskrift
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Reposted by Karl Pettersson
Karl Pettersson @karlpettersson.bsky.social · 23/12/2025
Some notes about the development of the influenza season in Sweden. #rstats static-dust.klpn.se/posts/2025-1...
static-dust.klpn.se
Det statiska dammet - Peak Christmas
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Karl Pettersson @karlpettersson.bsky.social · 23/12/2025
Some notes about the development of the influenza season in Sweden. #rstats static-dust.klpn.se/posts/2025-1...
static-dust.klpn.se
Det statiska dammet - Peak Christmas
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Reposted by Karl Pettersson
Samuel Moore @samuelmoore.org · 11/12/2025
"All of the editors-in-chief and associate editors of Springer Nature’s Journal of Philosophical Logic have announced their immediate or pending resignation and the launch, as of today, of a new “diamond” open access journal, Philosophical Logic." dailynous.com/2025/12/10/e...
dailynous.com
Editors at Springer’s Journal of Philosophical Logic Resign, Launch New Open Access Journal - Daily Nous
All of the editors-in-chief and associate editors of Springer Nature's Journal of Philosophical Logic have announced their immediate or pending resignation and the launch, as of today, of a new "diamo...
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Karl Pettersson @karlpettersson.bsky.social · 30/11/2025
Britt G. Hallqvist och Olle Widestrand.
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Karl Pettersson @karlpettersson.bsky.social · 29/09/2025
Artikel av mig i Svensk filosofi.
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Reposted by Karl Pettersson
Karl Pettersson @karlpettersson.bsky.social · 27/09/2025
New post about Swedish regional cause of death statistics for 2024, and the dangers of putting too much weight on rankings. #rstats www.dusty-test.klpn.se/posts/2025-0...
dusty-test.klpn.se
Det statiska dammet - Number one
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Karl Pettersson @karlpettersson.bsky.social · 27/09/2025
New post about Swedish regional cause of death statistics for 2024, and the dangers of putting too much weight on rankings. #rstats www.dusty-test.klpn.se/posts/2025-0...
dusty-test.klpn.se
Det statiska dammet - Number one
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Reposted by Karl Pettersson
Karl Pettersson @karlpettersson.bsky.social · 04/07/2025
New blog post, prompted by recent articles and discussions about heart disease mortality trends. Also testing my blog on a new server (at openbsd.amsterdam). www.dusty-test.klpn.se/posts/2025-0...
dusty-test.klpn.se
Det statiska dammet - After the attacks
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Karl Pettersson @karlpettersson.bsky.social · 04/07/2025
New blog post, prompted by recent articles and discussions about heart disease mortality trends. Also testing my blog on a new server (at openbsd.amsterdam). www.dusty-test.klpn.se/posts/2025-0...
dusty-test.klpn.se
Det statiska dammet - After the attacks
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Reposted by Karl Pettersson
Karl Pettersson @karlpettersson.bsky.social · 26/02/2025
Started with an R package including the functions for making these graphs. github.com/klpn/morr
github.com
GitHub - klpn/morr: R package for analyzing cause-specific mortality trends in different countries.
R package for analyzing cause-specific mortality trends in different countries. - klpn/morr
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Reposted by Karl Pettersson
Karl Pettersson @karlpettersson.bsky.social · 03/01/2025
Wrote about early flu peaks in Sweden, with some notes on historical trends (English version of my post from yesterday). static-dust.klpn.se/posts/2025-0...
static-dust.klpn.se
Det statiska dammet - Viral fireworks
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Karl Pettersson @karlpettersson.bsky.social · 03/01/2025
Wrote about early flu peaks in Sweden, with some notes on historical trends (English version of my post from yesterday). static-dust.klpn.se/posts/2025-0...
static-dust.klpn.se
Det statiska dammet - Viral fireworks
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Reposted by Karl Pettersson
Karl Pettersson @karlpettersson.bsky.social · 02/01/2025
Nytt blogginlägg, om influensatoppar kring nyår, med litet historisk återblick. static-dust.klpn.se/posts/2025-0...
static-dust.klpn.se
Det statiska dammet - Virala fyrverkerier
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Karl Pettersson @karlpettersson.bsky.social · 02/01/2025
Nytt blogginlägg, om influensatoppar kring nyår, med litet historisk återblick. static-dust.klpn.se/posts/2025-0...
static-dust.klpn.se
Det statiska dammet - Virala fyrverkerier
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Reposted by Karl Pettersson
Karl Pettersson @karlpettersson.bsky.social · 09/12/2024
Posted the, maybe boring, answer on the blog. static-dust.klpn.se/posts/2024-1...
static-dust.klpn.se
Det statiska dammet - Circulatory clue
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Karl Pettersson @karlpettersson.bsky.social · 09/12/2024
Posted the, maybe boring, answer on the blog. static-dust.klpn.se/posts/2024-1...
static-dust.klpn.se
Det statiska dammet - Circulatory clue
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Karl Pettersson @karlpettersson.bsky.social · 26/11/2024
These tables show the number of years, first and last/latest year (with statistics available from WHO) for which a certain health-related property held for females (left) and males (right) in the listed countries/entities. Which property is it?
A certain health-related statistical property for female populations, based on WHO data, shown in Visidata.A certain health-related statistical property for male populations, based on WHO data, shown in Visidata.
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Reposted by Karl Pettersson
Karl Pettersson @karlpettersson.bsky.social · 25/11/2024
Nytt inlägg med uppdatering om luftvägssmittor. static-dust.klpn.se/posts/2024-1...
static-dust.klpn.se
Det statiska dammet - Nya och gamla vågor
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Karl Pettersson @karlpettersson.bsky.social · 25/11/2024
Nytt inlägg med uppdatering om luftvägssmittor. static-dust.klpn.se/posts/2024-1...
static-dust.klpn.se
Det statiska dammet - Nya och gamla vågor
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Reposted by Karl Pettersson
Svensk filosofi @svenskfilosofi.se · 04/09/2024
Blir världen bättre av fler lyckliga varelser? Erik Carlson, professor i praktisk filosofi vid Uppsala universitet, beskriver hur vanliga svar på den frågan leder till den så kallade "motbjudande slutsatsen".
svenskfilosofi.se
Den motbjudande slutsatsen
Blir världen bättre av fler lyckliga varelser? Vanliga svar på den frågan leder till den så kallade "motbjudande slutsatsen". Det har visat sig svårt att hitta en teori inom populationsetik som inte l...
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Reposted by Karl Pettersson
Karl Pettersson @karlpettersson.bsky.social · 26/05/2024
Nytt blogginlägg med anledning av uppdaterad Global burden of disease. static-dust.klpn.se/posts/2024-0...
static-dust.klpn.se
Det statiska dammet - Börda i öst och väst
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