Blog

Notes on data quality, system design, and practical ML — grounded in work across NHS platforms.

Statistics, Politics, Law and Gerrymandering

My MSc dissertation: using MCMC ensembles (Flip vs ReCom) to assess partisan bias in Massachusetts maps — methods, metrics, and what the results actually mean.

The Practicalities of Clean Data

How Autofix added 1.5M UPRNs to PDS and 50k+/month thereafter, saving £200k+/year — and the checks that made it safe.