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David Firth

@firthstat.bsky.social

793 followers 433 following 71 posts

Research in #statistics, University of Warwick. warwick.ac.uk/dfirth Also @firthstat@fediscience.org (Mastodon) Current main interest is compositional data analysis. Programming in #rstats

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David Firth @firthstat.bsky.social · 26/08/2025

At next week's RSS conference I'll be presenting a poster (a first for me...it's about time!) "Tetraplot displays of UK General Election results" shows how to graph GE 2024 vote shares across 4 parties in a useful way. Full PDF poster at: github.com/DavidFirth/t...

Image of a poster to be presented at the Royal Statistical Society conference in Edinburgh, September 2025. The main point is to generalize the idea of a ternary plot to handle 4-part compositions, by showing views through the triangular faces of a tetrahedron. The data shown are vote counts from England, Scotland and Wales in the UK General Election of July 2024.

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David Firth @firthstat.bsky.social · 15/02/2025

From my side project at alt3.uk (about maths and football leagues). With principled allowance for games in hand and "schedule strength", #AFCB Bournemouth currently stand 4th in the #PremierLeague (not 7th). AFCB have faced very tough opponents since the halfway point. Much tougher than rivals.

The top part of today's Premier League table, mathematically adjusted. It has Bournemouth in 4th place, not 7th as in the official table. In effect Bournemouth have a game in hand over City, 2 games in hand over Newcastle and nearly 3 games in hand over Chelsea. Source alt3.uk.

The current graph of Bournemouth's schedule strength since the halfway point of the season. Their last 4 matches have all been against top opponents. Their next 6 matches ought to be easier. Source alt3.uk, where the maths behind all this is explained.

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