Denis Mongin
@denismongin.bsky.social
Started with lasers and nonlinear optics, now with biomedical informatics, data and statistics in health sciences.
Research in #Metaresearch, #rheumatology and #publichealth at HUG and University of Geneva.
#Rstats ninja, #Openscience
Research in #Metaresearch, #rheumatology and #publichealth at HUG and University of Geneva.
#Rstats ninja, #Openscience
Pinned
Denis Mongin
@denismongin.bsky.social
· Nov 26
Prospective registration of trials: where we are, why, and how we could get better
Transparent trial conduct requires prospective registration of a randomized controlled
clinical trial (RCT) before the enrollment of the first participant. We aimed to (1)
estimate the proportion of R...
jclinepi.com
Do people register their #randomizedtrials before starting it ?
We studied more than 1000 RCT in #rheumatology to answer this question, to see how it evolved in time and how it varied between RCTs⬇️
Just published in @jclinepi.bsky.social :
jclinepi.com/article/S089...
#Metaresearch #EpiSky
We studied more than 1000 RCT in #rheumatology to answer this question, to see how it evolved in time and how it varied between RCTs⬇️
Just published in @jclinepi.bsky.social :
jclinepi.com/article/S089...
#Metaresearch #EpiSky
Reposted by Denis Mongin
November 14, 2025 at 10:21 PM
Reposted by Denis Mongin
{ggalign} is patchwork on steroids, and has some ability to add lines between plots: yunuuuu.github.io/ggalign-book/
ggalign: Bridging the Grammar of Graphics and Complex layout
yunuuuu.github.io
November 14, 2025 at 2:28 AM
{ggalign} is patchwork on steroids, and has some ability to add lines between plots: yunuuuu.github.io/ggalign-book/
Reposted by Denis Mongin
#30DayMapChallenge Day 13 - 10 minute map
Reachable areas within a 10-minute walk / 10-min isochrones of Yamanote Line (山手線) stations
And yes, the map took much longer than 10 mins to make, sorry not sorry
Reachable areas within a 10-minute walk / 10-min isochrones of Yamanote Line (山手線) stations
And yes, the map took much longer than 10 mins to make, sorry not sorry
November 13, 2025 at 3:29 PM
#30DayMapChallenge Day 13 - 10 minute map
Reachable areas within a 10-minute walk / 10-min isochrones of Yamanote Line (山手線) stations
And yes, the map took much longer than 10 mins to make, sorry not sorry
Reachable areas within a 10-minute walk / 10-min isochrones of Yamanote Line (山手線) stations
And yes, the map took much longer than 10 mins to make, sorry not sorry
Reposted by Denis Mongin
This is one of the most remarkable academic debacles I've ever seen.
A large RCT got published in BMJ. There are currently 44 Pubpeer comments, mostly about the data, including...well. Read for yourself.
pubpeer.com/publications...
A large RCT got published in BMJ. There are currently 44 Pubpeer comments, mostly about the data, including...well. Read for yourself.
pubpeer.com/publications...
PubPeer - Prevention of acute myocardial infarction induced heart fail...
There are comments on PubPeer for publication: Prevention of acute myocardial infarction induced heart failure by intracoronary infusion of mesenchymal stem cells: phase 3 randomised clinical trial (P...
pubpeer.com
November 11, 2025 at 1:19 AM
This is one of the most remarkable academic debacles I've ever seen.
A large RCT got published in BMJ. There are currently 44 Pubpeer comments, mostly about the data, including...well. Read for yourself.
pubpeer.com/publications...
A large RCT got published in BMJ. There are currently 44 Pubpeer comments, mostly about the data, including...well. Read for yourself.
pubpeer.com/publications...
Reposted by Denis Mongin
#Day07 of #30DayMapChallenge on Accessibility
This map shows the time needed to cycle from Bains des Paquis (a popular fondue and sauna place in Geneva)
🆕 1st time use of the `osmr` package to define #isochrones.
Gallery: guillaume-noblet.com/30DayMapChal...
#dataviz #rstats #ggplot2 #gis #map
This map shows the time needed to cycle from Bains des Paquis (a popular fondue and sauna place in Geneva)
🆕 1st time use of the `osmr` package to define #isochrones.
Gallery: guillaume-noblet.com/30DayMapChal...
#dataviz #rstats #ggplot2 #gis #map
November 11, 2025 at 10:41 AM
#Day07 of #30DayMapChallenge on Accessibility
This map shows the time needed to cycle from Bains des Paquis (a popular fondue and sauna place in Geneva)
🆕 1st time use of the `osmr` package to define #isochrones.
Gallery: guillaume-noblet.com/30DayMapChal...
#dataviz #rstats #ggplot2 #gis #map
This map shows the time needed to cycle from Bains des Paquis (a popular fondue and sauna place in Geneva)
🆕 1st time use of the `osmr` package to define #isochrones.
Gallery: guillaume-noblet.com/30DayMapChal...
#dataviz #rstats #ggplot2 #gis #map
Reposted by Denis Mongin
Oops. Ooooooooooooops.
I do hope that nobody has been given or denied a job/promotion based on their SpringerNature citation counts in the past 15 years.
arxiv.org/pdf/2511.01675
h/t @nathlarigaldie.bsky.social
I do hope that nobody has been given or denied a job/promotion based on their SpringerNature citation counts in the past 15 years.
arxiv.org/pdf/2511.01675
h/t @nathlarigaldie.bsky.social
November 7, 2025 at 2:02 PM
Oops. Ooooooooooooops.
I do hope that nobody has been given or denied a job/promotion based on their SpringerNature citation counts in the past 15 years.
arxiv.org/pdf/2511.01675
h/t @nathlarigaldie.bsky.social
I do hope that nobody has been given or denied a job/promotion based on their SpringerNature citation counts in the past 15 years.
arxiv.org/pdf/2511.01675
h/t @nathlarigaldie.bsky.social
I have a revision of an article to do.
The editor list starts with A
....
and finishes with AE
Because there were not enough letters in the alphabet for all the changes.
It is gonna be a long day
The editor list starts with A
....
and finishes with AE
Because there were not enough letters in the alphabet for all the changes.
It is gonna be a long day
November 10, 2025 at 10:26 AM
I have a revision of an article to do.
The editor list starts with A
....
and finishes with AE
Because there were not enough letters in the alphabet for all the changes.
It is gonna be a long day
The editor list starts with A
....
and finishes with AE
Because there were not enough letters in the alphabet for all the changes.
It is gonna be a long day
Reposted by Denis Mongin
The camcorder package helps. Check this out from @rfortherestofus.com :
rfortherestofus.com/2024/09/prev...
rfortherestofus.com/2024/09/prev...
How to preview plots at specific dimensions in RStudio
Learn how to preview plots in RStudio with exact dimensions using the ggrecord() function from the camcorder package, ensuring consistency with ggsave().
rfortherestofus.com
November 8, 2025 at 4:46 AM
The camcorder package helps. Check this out from @rfortherestofus.com :
rfortherestofus.com/2024/09/prev...
rfortherestofus.com/2024/09/prev...
Reposted by Denis Mongin
If you want to read up on mediation analysis, we have a paper explaining the underlying causal inference issues: journals.sagepub.com/doi/10.1177/.... If you wonder about why I do pay attention to the p values: www.the100.ci/2018/02/15/t...
The uncanny mountain: p-values between .01 and .10 are still a problem
[Update: After this post had been published, Uli Schimmack and I had a quick chat and Uli was very surprised to learn that I hadn't read his 2012 Psychological Methods paper on the topic. He has now p...
www.the100.ci
November 9, 2025 at 7:29 AM
If you want to read up on mediation analysis, we have a paper explaining the underlying causal inference issues: journals.sagepub.com/doi/10.1177/.... If you wonder about why I do pay attention to the p values: www.the100.ci/2018/02/15/t...
Reposted by Denis Mongin
#30DayMapChallenge
Day 7: Accessibility
Frequency of routes to the nearest park in Santiago de Compostela. 🗺️
#rstats #dataviz
Day 7: Accessibility
Frequency of routes to the nearest park in Santiago de Compostela. 🗺️
#rstats #dataviz
November 7, 2025 at 3:25 PM
#30DayMapChallenge
Day 7: Accessibility
Frequency of routes to the nearest park in Santiago de Compostela. 🗺️
#rstats #dataviz
Day 7: Accessibility
Frequency of routes to the nearest park in Santiago de Compostela. 🗺️
#rstats #dataviz
I think we will know in a year or two max, when the AI bubble will have exploded and US will have thousand of GPU worth nothing
A fun question. In 5 years time, what looks better? The US’s enormous bet & capex on AI? Or China’s equally enormous bet and capex on renewables?
China has made cheap, clean energy available in huge quantities. The world should take the win econ.st/4oqFszB
Photo: Eyevine
Photo: Eyevine
November 7, 2025 at 1:48 PM
I think we will know in a year or two max, when the AI bubble will have exploded and US will have thousand of GPU worth nothing
Reposted by Denis Mongin
I think about this post every day 🧪
November 7, 2025 at 12:15 PM
I think about this post every day 🧪
Reposted by Denis Mongin
Day 05 of #30DayMapChallenge on Earth (Classical Elements 1/4)
I've discovered and used the new `tmap.mapgl` to show Swizerland's elevation. It's mindblowing how easy it is.
guillaume-noblet.com/30DayMapChal...
#dataviz #rstats #tmap #gis #mapgl cc @mtennekes and thanks!
I've discovered and used the new `tmap.mapgl` to show Swizerland's elevation. It's mindblowing how easy it is.
guillaume-noblet.com/30DayMapChal...
#dataviz #rstats #tmap #gis #mapgl cc @mtennekes and thanks!
November 7, 2025 at 12:30 PM
Day 05 of #30DayMapChallenge on Earth (Classical Elements 1/4)
I've discovered and used the new `tmap.mapgl` to show Swizerland's elevation. It's mindblowing how easy it is.
guillaume-noblet.com/30DayMapChal...
#dataviz #rstats #tmap #gis #mapgl cc @mtennekes and thanks!
I've discovered and used the new `tmap.mapgl` to show Swizerland's elevation. It's mindblowing how easy it is.
guillaume-noblet.com/30DayMapChal...
#dataviz #rstats #tmap #gis #mapgl cc @mtennekes and thanks!
Review of one article submitted to jmir: in the infinite checklist, the editor explicitly asks to cite more jmir papers.
😶
Is this normal/common ?
😶
Is this normal/common ?
November 7, 2025 at 9:24 AM
Review of one article submitted to jmir: in the infinite checklist, the editor explicitly asks to cite more jmir papers.
😶
Is this normal/common ?
😶
Is this normal/common ?
Reposted by Denis Mongin
A little bit of #ggplot2 and #rayshader for the "dimensions" prompt on day 6 of the #30DayMapChallenge! 🌧️
#RStats #DataViz
#RStats #DataViz
November 6, 2025 at 11:43 PM
A little bit of #ggplot2 and #rayshader for the "dimensions" prompt on day 6 of the #30DayMapChallenge! 🌧️
#RStats #DataViz
#RStats #DataViz
A must read.
The frightening thing to me: there are two way openAI will attempt to make money.
People are giving their deepest feelings to a company that has the tool good at synthesizing information. They will sell this unique data for :
- target advertising
- mass control for a fascist state
The frightening thing to me: there are two way openAI will attempt to make money.
People are giving their deepest feelings to a company that has the tool good at synthesizing information. They will sell this unique data for :
- target advertising
- mass control for a fascist state
Premium newsletter: Meta, Google, Amazon and Microsoft need $2 Trillion in AI revenue by 2030 or they've wasted their capex. The massive cost of building data centers and constant decay in value of expensive-to-run GPUs may make AI profits impossible to achieve.
www.wheresyoured.at/big-tech-2tr/
www.wheresyoured.at/big-tech-2tr/
Big Tech Needs $2 Trillion In AI Revenue By 2030 or They Wasted Their Capex
As I've established again and again, we are in an AI bubble, and no, I cannot tell you when the bubble will pop, because we're in the stupidest financial era since the great financial crisis — though,...
www.wheresyoured.at
November 6, 2025 at 7:20 AM
A must read.
The frightening thing to me: there are two way openAI will attempt to make money.
People are giving their deepest feelings to a company that has the tool good at synthesizing information. They will sell this unique data for :
- target advertising
- mass control for a fascist state
The frightening thing to me: there are two way openAI will attempt to make money.
People are giving their deepest feelings to a company that has the tool good at synthesizing information. They will sell this unique data for :
- target advertising
- mass control for a fascist state
Reposted by Denis Mongin
Here it is :) guillaume-noblet.com/30DayMapChal...
November 5, 2025 at 3:18 PM
Here it is :) guillaume-noblet.com/30DayMapChal...
Reposted by Denis Mongin
It's day 2 of the #30DayMapChallenge! 🗺️
A fairly minimalist map of street *lines* in Melbourne 🦘
#DataViz #RStats #ggplot2
A fairly minimalist map of street *lines* in Melbourne 🦘
#DataViz #RStats #ggplot2
November 2, 2025 at 4:15 PM
It's day 2 of the #30DayMapChallenge! 🗺️
A fairly minimalist map of street *lines* in Melbourne 🦘
#DataViz #RStats #ggplot2
A fairly minimalist map of street *lines* in Melbourne 🦘
#DataViz #RStats #ggplot2
Reposted by Denis Mongin
Rappel :
A partir de demain, (Microsoft) LinkedIn utilisera vos données personnelles pour entrainer son IA.
C'est ici pour vous y opposer :
www.linkedin.com/mypreference...
(sinon vous pouvez aussi ne pas aussi ce cancer d'internet qu'est LinkedIn)
A partir de demain, (Microsoft) LinkedIn utilisera vos données personnelles pour entrainer son IA.
C'est ici pour vous y opposer :
www.linkedin.com/mypreference...
(sinon vous pouvez aussi ne pas aussi ce cancer d'internet qu'est LinkedIn)
November 2, 2025 at 7:45 PM
Rappel :
A partir de demain, (Microsoft) LinkedIn utilisera vos données personnelles pour entrainer son IA.
C'est ici pour vous y opposer :
www.linkedin.com/mypreference...
(sinon vous pouvez aussi ne pas aussi ce cancer d'internet qu'est LinkedIn)
A partir de demain, (Microsoft) LinkedIn utilisera vos données personnelles pour entrainer son IA.
C'est ici pour vous y opposer :
www.linkedin.com/mypreference...
(sinon vous pouvez aussi ne pas aussi ce cancer d'internet qu'est LinkedIn)
Reposted by Denis Mongin
Idk, man. 200,000 people here could put me on a block list labeled “snot-nosed acne-pocked puppy torturers” and it would not convince me that I need to do my networking on X.
October 31, 2025 at 8:50 PM
Idk, man. 200,000 people here could put me on a block list labeled “snot-nosed acne-pocked puppy torturers” and it would not convince me that I need to do my networking on X.
Kill me.
Tomorrow is work retreat day, team building, strategy and bullshit.
So much time lost.
Tomorrow is work retreat day, team building, strategy and bullshit.
So much time lost.
October 27, 2025 at 5:38 PM
Kill me.
Tomorrow is work retreat day, team building, strategy and bullshit.
So much time lost.
Tomorrow is work retreat day, team building, strategy and bullshit.
So much time lost.
Reposted by Denis Mongin
if you see this post, your actions are:
- if you have a spare buck, give it to Wikipedia, then repost this
- if you don't have a spare buck, just repost
your action is mandatory for the world's best source of information to survive
- if you have a spare buck, give it to Wikipedia, then repost this
- if you don't have a spare buck, just repost
your action is mandatory for the world's best source of information to survive
I’ve never donated to Wikipedia before but I set up a small monthly donation as a fuck you to the world’s richest psychopath.
Elon Musk takes aim at Wikipedia
Musk has denounced Wikipedia as "Wokepedia" on X and urged people not to donate to the platform.
www.newsweek.com
December 26, 2024 at 12:03 PM
if you see this post, your actions are:
- if you have a spare buck, give it to Wikipedia, then repost this
- if you don't have a spare buck, just repost
your action is mandatory for the world's best source of information to survive
- if you have a spare buck, give it to Wikipedia, then repost this
- if you don't have a spare buck, just repost
your action is mandatory for the world's best source of information to survive
Reposted by Denis Mongin
Apparently some folks are playing real dumb about skull symbols so let’s play a little game I like to call “Nazi skull or not a Nazi skull”
First up, the Jolly Roger. This is a pirate skull, not a Nazi skull. It means you might get robbed, but prolly not genocided.
With me so far? 1/x
First up, the Jolly Roger. This is a pirate skull, not a Nazi skull. It means you might get robbed, but prolly not genocided.
With me so far? 1/x
October 22, 2025 at 5:23 AM
Apparently some folks are playing real dumb about skull symbols so let’s play a little game I like to call “Nazi skull or not a Nazi skull”
First up, the Jolly Roger. This is a pirate skull, not a Nazi skull. It means you might get robbed, but prolly not genocided.
With me so far? 1/x
First up, the Jolly Roger. This is a pirate skull, not a Nazi skull. It means you might get robbed, but prolly not genocided.
With me so far? 1/x
Reposted by Denis Mongin
I have no patience for this. The Legend of Zelda: Ocarina of Time retailed for $59.95 in November, 1998. That's $117.27 today.
You're dramatically underpaying for games right now. In fact, AAA studios are killing themselves with big bet live-service disasters and microtransactions to cover costs.
You're dramatically underpaying for games right now. In fact, AAA studios are killing themselves with big bet live-service disasters and microtransactions to cover costs.
May 20, 2025 at 6:38 PM
I have no patience for this. The Legend of Zelda: Ocarina of Time retailed for $59.95 in November, 1998. That's $117.27 today.
You're dramatically underpaying for games right now. In fact, AAA studios are killing themselves with big bet live-service disasters and microtransactions to cover costs.
You're dramatically underpaying for games right now. In fact, AAA studios are killing themselves with big bet live-service disasters and microtransactions to cover costs.
Reposted by Denis Mongin
No, the "experimental evidence" fallacy. This paper is based on a prolific.com experiment, complemented by some MBA students. Participants were asked to *imagine* (!!) they were certain decision makers. Nothing against this empirical attempt – but calm down and perhaps tone down the paper. 1/3
October 24, 2025 at 9:47 AM
No, the "experimental evidence" fallacy. This paper is based on a prolific.com experiment, complemented by some MBA students. Participants were asked to *imagine* (!!) they were certain decision makers. Nothing against this empirical attempt – but calm down and perhaps tone down the paper. 1/3