Duncan Garmonsway
Data Scientist
England, United Kingdom
Summary
👤
Senior🎓
Top SchoolDuncan Garmonsway is a data scientist with 13 years’ experience applying statistical rigor and pragmatic engineering to public-sector and large-scale operational problems. He combines graduate training in mathematics and statistics with strong programming and database skills, producing reproducible R workflows and authoring the tidyxl and unpivotr packages. His work at Government Digital Service spans probabilistic record linkage, graph-based fraud analysis, interpretable clickstream embeddings and temporal topic modelling, reflecting a taste for both methodological innovation and production-ready delivery. Previous roles include building interim reporting infrastructure for a national smart-meter rollout, pioneering larger-than-memory R processing, and automating time-series reporting for defence workforce planning. A clear communicator and mentor, he routinely translates complex data narratives for stakeholders and supervises aspiring data scientists. Colleagues describe him as versatile and fast to acquire domain expertise, with a knack for uncovering pragmatic fixes that deliver measurable operational savings.
12 years of coding experience
1 year of employment as a software developer
Graduate Diploma in Science (GDipSci), Mathematics and Statistics, Graduate Diploma in Science (GDipSci), Mathematics and Statistics at Victoria University of WellingtonUniversity College London
Stackoverflow
6,438reputation
501kreached
35answers
24questions
r
top-5%
Github Skills (200)
knitr10
tabular10
csv-parsing10
spreadsheet10
tidy10
xlsx10
grammar10
converting10
rcpp10
r10
csv10
r-package10
tidymodels10
excelreader10
excel10
Programming languages (22)
Github contributions (5)
nacnudus/nzcrash
Jul 2015 - Mar 2017
Contributions:2 releases, 16 commits, 8 pushes in 1 year 7 months
ukgovdatascience/rap-website
Mar 2019 - Dec 2019
Website of the Reproducible Analytical Pipelines community
Contributions:115 commits, 33 PRs, 86 pushes in 9 months
data-sciencereproducibleanalyticalpipelinesopenscience
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