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Posts by Sam Abbott

Delighted to share the (preprint) output of @mhairijan.bsky.social's Oxford visit:

SARS-CoV-2 Neutralising Antibody Profiles Reveal Variant Specific Antibody Dynamics and Regional Differences in Infection Histories in Malawi. dx.doi.org/10.2139/ssrn...

4 days ago 6 4 0 0

๐ŸŽ“ One last PhD studentship on offer on health analytics and modelling, jointly between @hpruham.bsky.social and @hprurespinf.bsky.social. Real-time use of data from household studies to inform pandemic and epidemic preparedness, with Anne Cori, @seabbs.bsky.social and Chris Overton. Link โ†“

4 days ago 6 4 1 0

Budding infectious disease modellers:

We're running our intermediate-level infectious disease modelling short courses at the London School of Hygiene and Tropical Medicine. Each course is 4 days, and we're running them over the first two weeks of September.

6 days ago 5 7 1 0
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scoringutils: Utilities for Scoring and Assessing Predictions Facilitate the evaluation of forecasts in a convenient framework based on data.table. It allows user to to check their forecasts and diagnose issues, to visualise forecasts and missing data, to transf...

An example of a related project is cran.r-project.org/web/packages...

which tries to do this for forecast objects but its quite an uphill struggle.

6 days ago 1 0 0 0

For me it seems like some nice connectors in the first instance would be great then perhaps worth thinking about if there is enough shared structure to make a meta object for targetting common tasks at.

6 days ago 1 0 1 0

pretty much always miss the mark i.e. the incidence family of packages.

perhaps that isn't what you are suggesting?

6 days ago 1 0 1 0

Hmm I am not really seeing the upside to integrating these from having a look. It looks like they are being treated similarly but with domain related differences you might expect. I am pretty leery of trying to create shared objects that are used by modelling packages as in domain they seem to

6 days ago 2 0 1 0

Looking at this in more detail there is a lot of overlap between these two packages.

6 days ago 0 0 0 0
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reviser: Analyzing Real-Time Data Revisions in R A short introduction to reviser for analyzing real-time data vintages and revisions in R.

I find the {reviser} @ropensci.org ๐Ÿ“ฆ by Mark Burri + Philipp Wegmueller interesting. It shows how economists deal with a problem that epidemiologists grapple with a lot: revisions of past time series ropensci.org/blog/2026/04... #rstats @seabbs.bsky.social bs.bsky.social @zsusswein.bsky.social

1 week ago 6 1 2 0

If I can find someone I think there is a nice little project digging into these packages to see how they compare to methods more commonly used in epi

1 week ago 1 0 1 0
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Convert reporting_triangle to ChainLadder triangle format โ€” as_ChainLadder_triangle This function converts a reporting_triangle object to a triangle object from the ChainLadder package. ChainLadder is a mature package for claims reserving in general insurance that provides statistica...

We have a converter to chainladder here: baselinenowcast.epinowcast.org/reference/as...

we should really have an issue to make one for reviser!

1 week ago 2 0 1 0
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Statistical Methods and Models for Claims Reserving in General Insurance Various statistical methods and models which are typically used for the estimation of outstanding claims reserves in general insurance, including those to estimate the claims development result as req...

Thanks for the tag. I am actually writing a nowcasting overview paper for epis as we speak and have been writing about the various packages in economics and how they compare.

There is also chainladder: mages.github.io/ChainLadder/

which has a stan sibling somewhere.

1 week ago 2 0 2 0

GPJax 0.14.0rc1 is out!

Together with @theorashid.bsky.social, we've been able to remove 2200 lines of code whilst deepening our connection to the scientific JAX ecosystem, and streamlined our Numpyro integration to allow for bigger Bayesian models to be built.

1 week ago 9 2 1 0

Thank you for all the emails so far!

1 week ago 0 0 0 0
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Announcing quarto-timeline quarto-timeline is a new Quarto extension that helps you make timeline visualizations.

I'm back with another quarto extension, now presenting quarto-timelines!

Customizable timelines in html and revealjs slides, different layout and fragment support included

emilhvitfeldt.com/post/quarto-...
#quarto

1 week ago 104 20 5 0

Please and thank you!

I find this sort of stuff very hard to track as so often it doesn't show up in citations/isn't really public in the first place.

If can't flag on here and have something, an email would be much appreciated.

1 week ago 1 0 1 0

For reasons that are certainly unrelated to grant applications, does anyone know of (ideally with some evidence) uses of tools I have contributed to (scoringutils, epinow2, epinowcast, epidist, primarycensored, episoon, epinow, censoreddistributions ...) from different parts of the world?

1 week ago 4 5 1 0

(across language ports as well as within language as they are frustrated having to depend on others (fair)).

1 week ago 0 0 0 0

Seeing a lot of LLM induced "I don't need dependencies I will just port everything using AI" from more senior people who I think haven't historically had time to code but are now back using their LLM bots. Interesting to see how it goes.

1 week ago 2 0 1 0
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Working through the materials for this 10 years or so ago was what made me want to work in real-time modelling of infectious diseases. The port to Julia has made it much more compelling in my opinion!

1 week ago 2 0 0 0
Model Fitting and Inference for Infectious Disease Dynamics | LSHTM

Really pleased that the model fitting and inference for infectious disease modelling short course is running again this year (7-10th September) at #LSHTM and is now all in #julialang.

www.lshtm.ac.uk/study/course...

1 week ago 11 5 1 0

More details about the Bayesian Workflow book and case studies now available on the book web site avehtari.github.io/Bayesian-Wor... (but you still need to wait a bit for the book)

2 weeks ago 98 28 2 0

New post on the @ropensci.org blog, "A Better R Programming Experience Thanks to Tree-sitter"

Edited by @etiennebacher.bsky.social, @davisvaughan.bsky.social, Steffi LaZerte

ropensci.org/blog/2026/04...

#RStats

2 weeks ago 16 6 0 1

If you care about the accuracy of the models, you should care about the accuracy of the language used when talking about the models.

I blogged and will keep adding more to this blog post series

2 weeks ago 11 3 0 0

I keep being impressed by the quality of @gregfolkers.bsky.social's monitoring of scientific articles, preprints, and news articles on infectious diseases -- One of the best accounts to follow to stay up-to-date!

2 weeks ago 16 6 1 0
Community Discussion - Recent work and future directions โ€“ Epinowcast Epinowcast community site

No formal #epinowcast seminar this week but instead a show and tell plus open discussion on future community directions (3pm UK time today!):

www.epinowcast.org/seminars/202...

2 weeks ago 0 1 0 0
Bayesian Data Analysis course - Aalto 2025 โ€“ Bayesian Data Analysis course

I'm looking for a post-doc to help organize Bayesian Data Analysis course avehtari.github.io/BDA_course_A... (200 students) and to do research on Bayesian workflow users.aalto.fi/~ave/publica... at Aalto www.aalto.fi/en, Finland. Background in Bayes needed. Up to five year contract possible.

3 weeks ago 49 26 1 0

Outbreak response and pandemic policy are difficult. Mainly in the sense that we've had several important ones since COVID (MPox, H5N1, now Men B) and any "lessons" from COVID are secondary to the harms from cuts to UKHSA and wider public health that no-one seems to care about.

3 weeks ago 39 14 1 0
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Really pleased with how this one has come out. We take common output formats for household-based field epi studies, see how much structure we can impute from them, and make the case for reporting case and contact numbers stratified by household size.

3 weeks ago 9 4 1 0
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Introducing ggauto: automating better charts โ€“ Nicola Rennie The ggauto package is an opinionated ggplot2 extension package that aims to help people make better charts by default. This blog post explains why it exists and how it works.

๐ŸŽ‰ ggauto is now on CRAN ๐ŸŽ‰

An #RStats package that selects better chart types, and provides more accessible styling for #ggplot2 plots ๐Ÿ“Š

Blog post explaining why I made it and how it works: nrennie.rbind.io/blog/introdu...

#DataViz

3 weeks ago 195 63 7 2