Thomas Speidel
@thomas-speidel.bsky.social
Reposted by Thomas Speidel
NEW PAPER in @bmj.com "Dealing with continuous variables and modelling non-linear associations in healthcare data: practical guide"
--> www.bmj.com/content/390/...
#methodologymatters #StatsSky #EpiSky
--> www.bmj.com/content/390/...
#methodologymatters #StatsSky #EpiSky
July 16, 2025 at 11:59 AM
NEW PAPER in @bmj.com "Dealing with continuous variables and modelling non-linear associations in healthcare data: practical guide"
--> www.bmj.com/content/390/...
#methodologymatters #StatsSky #EpiSky
--> www.bmj.com/content/390/...
#methodologymatters #StatsSky #EpiSky
@cderv.bsky.social @cscheid.net Fantastic work on _brand.yml !
Does it work with Quarto books? I'm playing with it and it seems to be ignored.
Does it work with Quarto books? I'm playing with it and it seems to be ignored.
February 3, 2025 at 5:19 PM
@cderv.bsky.social @cscheid.net Fantastic work on _brand.yml !
Does it work with Quarto books? I'm playing with it and it seems to be ignored.
Does it work with Quarto books? I'm playing with it and it seems to be ignored.
Reposted by Thomas Speidel
NEW PAPER
Really glad to see this one in print: the harm due to class imbalance corrections in prediction models developed using ML/AI
Excellently led by @alcarriero.bsky.social
onlinelibrary.wiley.com/doi/epdf/10....
Really glad to see this one in print: the harm due to class imbalance corrections in prediction models developed using ML/AI
Excellently led by @alcarriero.bsky.social
onlinelibrary.wiley.com/doi/epdf/10....
January 27, 2025 at 8:01 AM
NEW PAPER
Really glad to see this one in print: the harm due to class imbalance corrections in prediction models developed using ML/AI
Excellently led by @alcarriero.bsky.social
onlinelibrary.wiley.com/doi/epdf/10....
Really glad to see this one in print: the harm due to class imbalance corrections in prediction models developed using ML/AI
Excellently led by @alcarriero.bsky.social
onlinelibrary.wiley.com/doi/epdf/10....
Reposted by Thomas Speidel
What large language models know and what people think they know https://www.nature.com/articles/s42256-024-00976-7 🧬🖥️🧪 https://osf.io/y7pr6/
January 22, 2025 at 12:18 PM
What large language models know and what people think they know https://www.nature.com/articles/s42256-024-00976-7 🧬🖥️🧪 https://osf.io/y7pr6/
Reposted by Thomas Speidel
NEW PREPRINT
A detailed overview of 32 popular predictive performance metrics for prediction models
arxiv.org/abs/2412.10288
A detailed overview of 32 popular predictive performance metrics for prediction models
arxiv.org/abs/2412.10288
December 16, 2024 at 8:44 AM
NEW PREPRINT
A detailed overview of 32 popular predictive performance metrics for prediction models
arxiv.org/abs/2412.10288
A detailed overview of 32 popular predictive performance metrics for prediction models
arxiv.org/abs/2412.10288
Reposted by Thomas Speidel
Hi, can you help me? I want to develop a model that makes risk predictions.
Use logistic regression.
Can I use some more modern techniques, like AI?
Use a neural network with single non-hidden feed forward layer that outputs to a single dimension using a sigmoid activation function.
Use logistic regression.
Can I use some more modern techniques, like AI?
Use a neural network with single non-hidden feed forward layer that outputs to a single dimension using a sigmoid activation function.
November 21, 2024 at 1:18 PM
Hi, can you help me? I want to develop a model that makes risk predictions.
Use logistic regression.
Can I use some more modern techniques, like AI?
Use a neural network with single non-hidden feed forward layer that outputs to a single dimension using a sigmoid activation function.
Use logistic regression.
Can I use some more modern techniques, like AI?
Use a neural network with single non-hidden feed forward layer that outputs to a single dimension using a sigmoid activation function.
Reposted by Thomas Speidel
I've begun a statistical graphics starter pack at go.bsky.app/EMb8xWf . Please help me find more people or feeds to add to this pack. #rstats #visualisation #statistics 📈
November 19, 2024 at 11:52 PM
I've begun a statistical graphics starter pack at go.bsky.app/EMb8xWf . Please help me find more people or feeds to add to this pack. #rstats #visualisation #statistics 📈
Reposted by Thomas Speidel
Great to see this R package: stephenrho.github.io/pminternal/
Implements the (in)stability plots and checks recommended by myself & @gscollins.bsky.social after developing a prediction model
Our paper is here: onlinelibrary.wiley.com/doi/full/10....
Implements the (in)stability plots and checks recommended by myself & @gscollins.bsky.social after developing a prediction model
Our paper is here: onlinelibrary.wiley.com/doi/full/10....
Internal Validation of Clinical Prediction Models
Conduct internal validation of a clinical prediction model for a binary outcome.
Produce bias corrected performance metrics (c-statistic, calibration slope) via bootstrap
(simple bootstrap, boots...
stephenrho.github.io
November 19, 2024 at 1:25 PM
Great to see this R package: stephenrho.github.io/pminternal/
Implements the (in)stability plots and checks recommended by myself & @gscollins.bsky.social after developing a prediction model
Our paper is here: onlinelibrary.wiley.com/doi/full/10....
Implements the (in)stability plots and checks recommended by myself & @gscollins.bsky.social after developing a prediction model
Our paper is here: onlinelibrary.wiley.com/doi/full/10....
Reposted by Thomas Speidel
Characterising #machinelearning studies in healthcare, the full set
Weak design/methods tinyurl.com/yc4easr9
Poor reporting tinyurl.com/55ed3j9k
High risk of bias tinyurl.com/yk6m9sx5
Full of Spin tinyurl.com/yckubrnp
Not open science tinyurl.com/437bfz8f
#StatsSky #MLSky #mustdobetter 😬
Weak design/methods tinyurl.com/yc4easr9
Poor reporting tinyurl.com/55ed3j9k
High risk of bias tinyurl.com/yk6m9sx5
Full of Spin tinyurl.com/yckubrnp
Not open science tinyurl.com/437bfz8f
#StatsSky #MLSky #mustdobetter 😬
November 13, 2024 at 10:28 PM
Characterising #machinelearning studies in healthcare, the full set
Weak design/methods tinyurl.com/yc4easr9
Poor reporting tinyurl.com/55ed3j9k
High risk of bias tinyurl.com/yk6m9sx5
Full of Spin tinyurl.com/yckubrnp
Not open science tinyurl.com/437bfz8f
#StatsSky #MLSky #mustdobetter 😬
Weak design/methods tinyurl.com/yc4easr9
Poor reporting tinyurl.com/55ed3j9k
High risk of bias tinyurl.com/yk6m9sx5
Full of Spin tinyurl.com/yckubrnp
Not open science tinyurl.com/437bfz8f
#StatsSky #MLSky #mustdobetter 😬
Reposted by Thomas Speidel
November 14, 2024 at 7:46 PM
Reposted by Thomas Speidel
New blog post! I helped build Idaho's official election results website (with #rstats and #quartopub) and we did some neat stuff to auto-generate hundreds of R chunks. Here's a guide about how to create tabsets and slides programmatically with inline knitr chunks www.andrewheiss.com/blog/2024/11...
November 4, 2024 at 2:06 PM
New blog post! I helped build Idaho's official election results website (with #rstats and #quartopub) and we did some neat stuff to auto-generate hundreds of R chunks. Here's a guide about how to create tabsets and slides programmatically with inline knitr chunks www.andrewheiss.com/blog/2024/11...
Reposted by Thomas Speidel
#statistics thought of the day: In the absence of detailed knowledge (e.g. of measurement errors) about a numeric variable, a useful descriptive statistic is the variable's relative information content: stats.stackexchange.com/questions/65...
The Info measure of Hmisc::describe
The documentation for Hmisc::describe (page 77 of the PDF) says:
For numeric variables, describe adds an item called Info which is a relative information measure
using the relative efficiency of a
stats.stackexchange.com
October 17, 2024 at 2:28 PM
#statistics thought of the day: In the absence of detailed knowledge (e.g. of measurement errors) about a numeric variable, a useful descriptive statistic is the variable's relative information content: stats.stackexchange.com/questions/65...
Reposted by Thomas Speidel
Gang, what are the most common problems you see around p-values in the social science literature—misinterpretations, misuse, misunderstandings, mis...p-valuing?!
Thanks 🙏
Thanks 🙏
October 16, 2024 at 1:44 PM
Gang, what are the most common problems you see around p-values in the social science literature—misinterpretations, misuse, misunderstandings, mis...p-valuing?!
Thanks 🙏
Thanks 🙏
