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Posts by Jay JH Park

Video

Here are some cool animations I made a couple years ago for teaching DAG-based causal inference

Confounding!

1 year ago 296 77 14 5
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Reporting of cluster randomised crossover trials: extension of the CONSORT 2010 statement with explanation and elaboration This article presents the CONSORT (consolidated standards of reporting trials) extension for cluster randomised crossover trials. A cluster randomised crossover trial involves randomisation of groups ...

New CONSORT extension for cluster-crossover trials published in @bmj.com

www.bmj.com/content/388/...

1 year ago 22 16 0 0

This is way too pretty to look at. The paper is well outside my wheelhouse but I would just peer review it favourably on how nice this is.

1 year ago 1 0 0 0
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Prepare Reproducible Example Code via the Clipboard Convenience wrapper that uses the rmarkdown package to render small snippets of code to target formats that include both code and output. The goal is to encourage the sharing of small, reproducible, a...

A tale as old as time:
- Oh no! Code is broken, something must be wrong ๐Ÿ˜ฐ
- Create reprex ๐Ÿง‘โ€๐Ÿ’ป
- Find solution in the process of creating reprex ๐Ÿฅณ

Help others help you, and maybe help yourself in the process: reprex.tidyverse.org

1 year ago 43 10 0 1
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Simulating Data From Marginal Structural Models for a Survival Time Outcome Marginal structural models (MSMs) are often used to estimate causal effects of treatments on survival time outcomes from observational data when time-dependent confounding may be present. They can be...

New paper from Shaun Seaman and me on how to simulate data from marginal structural models (MSMs) for survival outcomes, including Cox MSMs. This can be useful in simulation studies evaluating causal inference methods that use MSMs. R code provided. onlinelibrary.wiley.com/doi/10.1002/...

1 year ago 60 15 2 0
Old Problems, New Lingo: Implications of Estimands for Evidence Synthesis The opinions expressed in this article are all mine. My collaborators likely have different opinions than mine.

New lingo for old problems?

I discuss the implications of the estimands framework for old problems of working with aggregate level data using a well known intercurrent (post-randomization) event in treatment switching (cross-over) in oncology as an example

#Estimands
#EvidenceSynthesis

1 year ago 1 0 0 0

I would love to see the discussion of estimands and ICH E9(R1) for conducting meta-analysis. The language used in industry trials will be moving this way. I have seen very little recognition of this for those that regularly conduct aggregate level meta analyses

1 year ago 1 0 0 0