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Healthy Uncertainty


A blog about cost-effectiveness model building in R

Test-Retest Validation of using Skills to Produce Decision Models

Duplicating Disease Analogue Models using HEmodelR

Posted on November 10, 2026

Purpose and scope [Read More]
Tags: R tools AI Replication

Disease Analogue Models with Generative AI

Using a Claude Skill to generate five HTA-grade decision models

Posted on May 16, 2026

This is the first post in a seven-part series [Read More]
Tags: R tools AI Decision Models

Repackaging the WXYZ Model

An Illustration of the power of Claude Skills

Posted on March 26, 2026

In my long post about AI Skills, I made vague reference to the possibilities that Skills provide when it comes to the conversation about open source. I want to take this opportunity to provide one concrete illustration of how a Skill can radically simplify the process of making a model... [Read More]
Tags: R tools AI Replication

AI Skills are the Next Frontier in Open Models

Reflecting on 6 months of developing Skills in Claude

Posted on March 22, 2026

Statistics were, I am a bit embarrassed to say, my weakest subject in high school. I barely scraped by with a passing grade, well below my average in other math classes. Depending on how different in age we are, you may remember learning how to manually calculate an ANOVA table... [Read More]
Tags: R tools AI Replication

Replicating models with Claude AI

AI Skills may be the key that unlocks a new way to build models

Posted on January 25, 2026

Using Claude AI to replicate decision models Introduction Health Technology Assessment (HTA) requires the inclusion of economic analysis so that decision-makers have information about the impact their decisions will have on the health of the population - both in terms of direct health impact but also the health foregone by... [Read More]
Tags: R tools AI Replication
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Ian Andrew Cromwell  •  2026

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