Otavio Ranzani
@otavioranzani.bsky.social
Group Leader - DataHealth Lab
Global Health | Epidemiology | RCTs
Critical Care, Infections, Climate Change
#DecolonizeGH 🇧🇷
At IR Sant Pau, Barcelona / USP, São Paulo
https://datahealthlab.org
Global Health | Epidemiology | RCTs
Critical Care, Infections, Climate Change
#DecolonizeGH 🇧🇷
At IR Sant Pau, Barcelona / USP, São Paulo
https://datahealthlab.org
Reposted by Otavio Ranzani
Hi folks! For a methods validation paper, we're looking for a large, cross-sectional, psychometric dataset that will show considerable heterogeneity in item responses, preferably, based on different classes/clusters/groups of people. Open access optimal, but if you have one you'd share w me ...
February 2, 2026 at 6:28 PM
Hi folks! For a methods validation paper, we're looking for a large, cross-sectional, psychometric dataset that will show considerable heterogeneity in item responses, preferably, based on different classes/clusters/groups of people. Open access optimal, but if you have one you'd share w me ...
Reposted by Otavio Ranzani
If you are interested, please contact me with a CV and a brief statement of research interests no later than 02/02/2026.
datahealthlab.org/contact/
datahealthlab.org/contact/
January 19, 2026 at 8:20 PM
If you are interested, please contact me with a CV and a brief statement of research interests no later than 02/02/2026.
datahealthlab.org/contact/
datahealthlab.org/contact/
Reposted by Otavio Ranzani
📢 Postdoctoral Opportunity (Barcelona, Spain)
I am seeking a highly motivated postdoctoral candidate (any nationality) to apply for the Sara Borrell Fellowship, 3 years postdoc funding, in the 2026 upcoming call (starts on Jan 2027 if funded).
The project is on environmental health 👇
I am seeking a highly motivated postdoctoral candidate (any nationality) to apply for the Sara Borrell Fellowship, 3 years postdoc funding, in the 2026 upcoming call (starts on Jan 2027 if funded).
The project is on environmental health 👇
January 19, 2026 at 8:20 PM
📢 Postdoctoral Opportunity (Barcelona, Spain)
I am seeking a highly motivated postdoctoral candidate (any nationality) to apply for the Sara Borrell Fellowship, 3 years postdoc funding, in the 2026 upcoming call (starts on Jan 2027 if funded).
The project is on environmental health 👇
I am seeking a highly motivated postdoctoral candidate (any nationality) to apply for the Sara Borrell Fellowship, 3 years postdoc funding, in the 2026 upcoming call (starts on Jan 2027 if funded).
The project is on environmental health 👇
Reposted by Otavio Ranzani
New paper:
‘A fully-integrated Bayesian approach for the imputation and analysis of derived outcome variables with missingness’
Harlan Campbell, me and Paul Gustafson
onlinelibrary.wiley.com/doi/full/10....
‘A fully-integrated Bayesian approach for the imputation and analysis of derived outcome variables with missingness’
Harlan Campbell, me and Paul Gustafson
onlinelibrary.wiley.com/doi/full/10....
A Fully‐Integrated Bayesian Approach for the Imputation and Analysis of Derived Outcome Variables With Missingness
Derived variables are variables that are constructed from one or more source variables through established mathematical operations or algorithms. For example, body mass index (BMI) is a derived varia....
onlinelibrary.wiley.com
January 22, 2026 at 9:35 PM
New paper:
‘A fully-integrated Bayesian approach for the imputation and analysis of derived outcome variables with missingness’
Harlan Campbell, me and Paul Gustafson
onlinelibrary.wiley.com/doi/full/10....
‘A fully-integrated Bayesian approach for the imputation and analysis of derived outcome variables with missingness’
Harlan Campbell, me and Paul Gustafson
onlinelibrary.wiley.com/doi/full/10....
📢 Postdoctoral Opportunity (Barcelona, Spain)
I am seeking a highly motivated postdoctoral candidate (any nationality) to apply for the Sara Borrell Fellowship, 3 years postdoc funding, in the 2026 upcoming call (starts on Jan 2027 if funded).
The project is on environmental health 👇
I am seeking a highly motivated postdoctoral candidate (any nationality) to apply for the Sara Borrell Fellowship, 3 years postdoc funding, in the 2026 upcoming call (starts on Jan 2027 if funded).
The project is on environmental health 👇
January 19, 2026 at 8:20 PM
📢 Postdoctoral Opportunity (Barcelona, Spain)
I am seeking a highly motivated postdoctoral candidate (any nationality) to apply for the Sara Borrell Fellowship, 3 years postdoc funding, in the 2026 upcoming call (starts on Jan 2027 if funded).
The project is on environmental health 👇
I am seeking a highly motivated postdoctoral candidate (any nationality) to apply for the Sara Borrell Fellowship, 3 years postdoc funding, in the 2026 upcoming call (starts on Jan 2027 if funded).
The project is on environmental health 👇
Do you follow Oded?
You must. Real life academia...
You must. Real life academia...
When a collaborator ghosts the grant writing part and then materializes when the grant is accepted
January 15, 2026 at 5:15 PM
Do you follow Oded?
You must. Real life academia...
You must. Real life academia...
Reposted by Otavio Ranzani
You’re gonna love this one
'How to interpret hazard ratios', with @dominicmagirr.bsky.social and @timpmorris.bsky.social thestatsgeek.com/2026/01/15/h...
How to interpret hazard ratios
Survival analysis of time-to-event outcomes is very commonly performed using Cox’s famous proportional hazards model. The model estimates hazard ratios for the ‘effects’ of covari…
thestatsgeek.com
January 15, 2026 at 3:02 PM
You’re gonna love this one
Reposted by Otavio Ranzani
'How to interpret hazard ratios', with @dominicmagirr.bsky.social and @timpmorris.bsky.social thestatsgeek.com/2026/01/15/h...
How to interpret hazard ratios
Survival analysis of time-to-event outcomes is very commonly performed using Cox’s famous proportional hazards model. The model estimates hazard ratios for the ‘effects’ of covari…
thestatsgeek.com
January 15, 2026 at 10:52 AM
'How to interpret hazard ratios', with @dominicmagirr.bsky.social and @timpmorris.bsky.social thestatsgeek.com/2026/01/15/h...
🤣🤣🤣
January 9, 2026 at 10:48 PM
🤣🤣🤣
Reposted by Otavio Ranzani
New post on a topic you might have struggled with if you do simulation studies. For a given data-generating mechanism, you might wonder “What is the true value of my estimand?”
This post describes four ways to learn it.
tpmorris.substack.com/p/learning-t...
This post describes four ways to learn it.
tpmorris.substack.com/p/learning-t...
January 9, 2026 at 1:44 PM
New post on a topic you might have struggled with if you do simulation studies. For a given data-generating mechanism, you might wonder “What is the true value of my estimand?”
This post describes four ways to learn it.
tpmorris.substack.com/p/learning-t...
This post describes four ways to learn it.
tpmorris.substack.com/p/learning-t...
Reposted by Otavio Ranzani
After 5 years of data collection, our WARN-D machine learning competition to forecast depression onset is now LIVE! We hope many of you will participate—we have incredibly rich data.
If you share a single thing of my lab this year, please make it this competition.
eiko-fried.com/warn-d-machi...
If you share a single thing of my lab this year, please make it this competition.
eiko-fried.com/warn-d-machi...
WARN-D machine learning competition is live » Eiko Fried
If you share one single thing of our team in 2026—on social media or per email with your colleagues—please let it be this machine learning competition. It was half a decade of work to get here, especi...
eiko-fried.com
January 7, 2026 at 7:39 PM
After 5 years of data collection, our WARN-D machine learning competition to forecast depression onset is now LIVE! We hope many of you will participate—we have incredibly rich data.
If you share a single thing of my lab this year, please make it this competition.
eiko-fried.com/warn-d-machi...
If you share a single thing of my lab this year, please make it this competition.
eiko-fried.com/warn-d-machi...
Reposted by Otavio Ranzani
Inspired by this post by @rmkubinec.bsky.social: What are your favorite project management tools for academic research? I mainly want to keep track of tasks and discussions, and I don't necessarily need file storage. So something that's free would be preferable. www.robertkubinec.com/post/notion/
How to Use Notion for Academic Research – Homepage
I provide some advice for how to use Notion’s powerful management software for the unique challenges of academic research.
www.robertkubinec.com
January 5, 2026 at 2:48 PM
Inspired by this post by @rmkubinec.bsky.social: What are your favorite project management tools for academic research? I mainly want to keep track of tasks and discussions, and I don't necessarily need file storage. So something that's free would be preferable. www.robertkubinec.com/post/notion/
Working with big spatial data sets in #rstats? You should try {duckspatial}. The dev version of #duckspatial (soon on CRAN) uses #duckdb to perform super fast and memory efficient spatial operations cidree.github.io/duckspatial/...
In a benchmark against, {sf}....
In a benchmark against, {sf}....
December 30, 2025 at 7:24 PM
Reposted by Otavio Ranzani
1) We’ve just published our review of the most interesting ME/CFS studies of 2025.
It feels like this year, we’ve made a significant step towards understanding the pathophysiology of ME/CFS.
A brief overview of the studies that caught our eye.
It feels like this year, we’ve made a significant step towards understanding the pathophysiology of ME/CFS.
A brief overview of the studies that caught our eye.
December 30, 2025 at 5:15 PM
Reposted by Otavio Ranzani
"The making of a statistician: Doug Altman" - just published in @bmj.com celebrating his 1 million citations and reflecting on his remarkable career and legacy. One of the most influential statisticians in modern medical research.
--> www.bmj.com/content/391/...
#BMJChristmas #methodologymatters
--> www.bmj.com/content/391/...
#BMJChristmas #methodologymatters
December 19, 2025 at 12:40 PM
"The making of a statistician: Doug Altman" - just published in @bmj.com celebrating his 1 million citations and reflecting on his remarkable career and legacy. One of the most influential statisticians in modern medical research.
--> www.bmj.com/content/391/...
#BMJChristmas #methodologymatters
--> www.bmj.com/content/391/...
#BMJChristmas #methodologymatters
Reposted by Otavio Ranzani
SOFA-2, validated in >3 million ICU patients, incorporates contemporary organ support and treatments, showing strong predictive validity for ICU mortality in diverse international settings.
ja.ma/4s1nZ35
ja.ma/4s1nZ35
December 17, 2025 at 12:00 PM
SOFA-2, validated in >3 million ICU patients, incorporates contemporary organ support and treatments, showing strong predictive validity for ICU mortality in diverse international settings.
ja.ma/4s1nZ35
ja.ma/4s1nZ35
😂🤣
December 15, 2025 at 7:29 PM
😂🤣
Reposted by Otavio Ranzani
“tuberculosis is not a relic of medical history. It remains the leading infectious cause of death worldwide”
www.nybooks.com/articles/202...
www.nybooks.com/articles/202...
The Plague That Won’t Die | Pria Anand
As my recent diagnosis shows, tuberculosis is not a relic of medical history. It remains the leading infectious cause of death worldwide—and America is hardly immune.
www.nybooks.com
December 5, 2025 at 11:22 PM
“tuberculosis is not a relic of medical history. It remains the leading infectious cause of death worldwide”
www.nybooks.com/articles/202...
www.nybooks.com/articles/202...
Haha.... then try to restore them...
December 3, 2025 at 10:24 PM
Haha.... then try to restore them...
Reposted by Otavio Ranzani
On International Day of People with #Disabilities, please note some disabilities are invisible
#Disability #invisibleillness #disabled #disabledpeople #IDPD #IDPD2025 #IDPD25
#Disability #invisibleillness #disabled #disabledpeople #IDPD #IDPD2025 #IDPD25
December 3, 2025 at 8:08 PM
On International Day of People with #Disabilities, please note some disabilities are invisible
#Disability #invisibleillness #disabled #disabledpeople #IDPD #IDPD2025 #IDPD25
#Disability #invisibleillness #disabled #disabledpeople #IDPD #IDPD2025 #IDPD25
Reposted by Otavio Ranzani
BEST ACTOR: Wagner Moura, The Secret Agent
December 2, 2025 at 5:20 PM
BEST ACTOR: Wagner Moura, The Secret Agent
Reposted by Otavio Ranzani
#rstats
It is with profound sadness I heard that my long-time friend and colleague, John Fox passed away this week.
He was the author of {car}, {effects}, {Rcmdr}, ... and numerous influential books. I will miss him greatly.
www.john-fox.ca
It is with profound sadness I heard that my long-time friend and colleague, John Fox passed away this week.
He was the author of {car}, {effects}, {Rcmdr}, ... and numerous influential books. I will miss him greatly.
www.john-fox.ca
John Fox: Books and Software
www.john-fox.ca
November 28, 2025 at 3:26 PM
#rstats
It is with profound sadness I heard that my long-time friend and colleague, John Fox passed away this week.
He was the author of {car}, {effects}, {Rcmdr}, ... and numerous influential books. I will miss him greatly.
www.john-fox.ca
It is with profound sadness I heard that my long-time friend and colleague, John Fox passed away this week.
He was the author of {car}, {effects}, {Rcmdr}, ... and numerous influential books. I will miss him greatly.
www.john-fox.ca
🚨 The Interim Report of the Global Climate and Health Summit is out!
Please, read, share and connect with us. The second phase is open
Honoured to be a Vice-Chair of this Summit
www.physoc.org/policy/clima...
Please, read, share and connect with us. The second phase is open
Honoured to be a Vice-Chair of this Summit
www.physoc.org/policy/clima...
Global Climate and Health Summit
The 2025 Global Climate and Health Summit placed physiology and partnerships at the heart of climate and health. Read more
www.physoc.org
November 9, 2025 at 9:47 PM
🚨 The Interim Report of the Global Climate and Health Summit is out!
Please, read, share and connect with us. The second phase is open
Honoured to be a Vice-Chair of this Summit
www.physoc.org/policy/clima...
Please, read, share and connect with us. The second phase is open
Honoured to be a Vice-Chair of this Summit
www.physoc.org/policy/clima...
Reposted by Otavio Ranzani
📚 Development and Validation of the Sequential Organ Failure Assessment (SOFA)-2 Score:
Presented today in the #LIVES2025 Hot Topics session.
🔗 Free to read online: ja.ma/4qzouAz
Presented today in the #LIVES2025 Hot Topics session.
🔗 Free to read online: ja.ma/4qzouAz
October 29, 2025 at 1:15 PM
📚 Development and Validation of the Sequential Organ Failure Assessment (SOFA)-2 Score:
Presented today in the #LIVES2025 Hot Topics session.
🔗 Free to read online: ja.ma/4qzouAz
Presented today in the #LIVES2025 Hot Topics session.
🔗 Free to read online: ja.ma/4qzouAz