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191
Account age
2 yrs
💰 Suggested sponsorship rate
$40 – $65 / sponsored post
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🎁 Free analysisfor Nick Radcliffe
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3 views
Part II of the TDDA Book is about reference testing. In conventional software testing a regression test is a test designed to detect a software regression—a defect that was previously not present, or had been fixed, in an earlier version of the software. In test-driven data analysis (TDDA), a reference test is a semantic regression test, i.e. one that checks that current outputs are meaningfully t
2 views
Testing Pyramid or Testing Trophy?
Read about these in Chapter 10 of Test-Driven Data Analysis, now free to read online at https://book.tdda.info/10.
#tdda #books
1 views
Chapter 5 of my book, Test-Driven Data Analysis, is now freely available online at:
https://book.tdda.info/book/chapter5.html.
The chapter is called Constraint Discovery and Validation, and is concerned with automatic generation of constraints from believed-to-be-good data and the use of of those constraints for validation of new data.
The Python open-source tdda library and command-line tools mak
📊 Post engagement
Recent posts · likes + reposts
Jun 19latest
2
Avg engagement / post
1–3
Typical post (engagement)
1%
Engagement vs followers
76/100
Very consistent reach
Aug 2024
On Mastodon since
Half of recent posts land between 1 and 3 likes + reposts (median 2) — a dependable floor a sponsored post can count on.
🔥 Top post: Part I of Test-Driven Data Analysis, covering Data Validation, i · 4 likes + reposts
📊 Activity & format
Posting cadence
1.8 / week
A lower-frequency account — each post lands with more weight.
Content mix
Mostly text
Recent: 9 text · 3 image · 0 video.
Follower / following
1.6×
Follows 119 back. A more reciprocal / networked account.
Recent posts
View on Mastodon ↗
Chapter 11 of my TDDA book is now available to read for free at
https://book.tdda.info/book/11
This covers the specifics of testing analytical code with reference tests, supposed by the library.
#books #testing #tdda #datascience
Testing Pyramid or Testing Trophy?
Read about these in Chapter 10 of Test-Driven Data Analysis, now free to read online at https://book.tdda.info/10.
#tdda #books
Part II of the TDDA Book is about reference testing. In conventional software testing a regression test is a test designed to detect a software regression—a defect that was previously not present, or had been fixed, in an earlier version o…
Possibly unpopular opinion:
Font ligatures for code are a terrible idea, and will remain so unless/until
1. programming languages accept them as input
2. they become easy and obvious to type.
I am not sure how 2 would come about in pra…
Holes
https://xkcd.com/3266/
Chapter 7, of the TDDA Book—Practical Constraints—is now available online:
https://book.tdda.info/book/7
This completes the material on data validation, covering things like non-tabular data, spreadsheets, regularising measurements and the…
Chapter 6 of the TDDA Book, Custom Constraints, is now open at
https://book.tdda.info/book/6
This ones focuses on tricks and tips for going beyond the simplest constraints, including
- Individual value constraints
- Record-level (per-row…
I should have done this a couple of days ago.
Here are Edinburgh’s climate stripes, in graph form
https://showyourstripes.info/c/europe/unitedkingdom/edinburgh
#climatestripes #climate #sustainability
Chapter 5 of my book, Test-Driven Data Analysis, is now freely available online at:
https://book.tdda.info/book/chapter5.html.
The chapter is called Constraint Discovery and Validation, and is concerned with automatic generation of constra…
My tutorial on Test-Driven Data Analysis (TDDA) from #PyDataLondon2026 is up:
https://youtu.be/EH0WpGFAV_g
There are a few details at
https://www.tdda.info/pydata-london-2026-tdda-tutorial
and the slides are at
https://stochasticsolutions.…
Is it bad that Elon Musk has a trillion dollars? Yes, and here’s why
— Ingrid Robeyns (@ingridrobeyns) The Guardian
https://www.theguardian.com/commentisfree/2026/jun/17/is-it-bad-that-elon-musk-has-a-trillion-dollars-yes-and-heres-why
Als…
Testing Pyramid or Testing Trophy?
Read about these in Chapter 10 of Test-Driven Data Analysis, now free to read online at https://book.tdda.info/10.
#tdda #books
Part II of the TDDA Book is about reference testing. In conventional software testing a regression test is a test designed to detect a software regression—a defect that was previously not present, or had been fixed, in an earlier version o…
Possibly unpopular opinion:
Font ligatures for code are a terrible idea, and will remain so unless/until
1. programming languages accept them as input
2. they become easy and obvious to type.
I am not sure how 2 would come about in pra…
Holes
https://xkcd.com/3266/
Chapter 7, of the TDDA Book—Practical Constraints—is now available online:
https://book.tdda.info/book/7
This completes the material on data validation, covering things like non-tabular data, spreadsheets, regularising measurements and the…
Chapter 6 of the TDDA Book, Custom Constraints, is now open at
https://book.tdda.info/book/6
This ones focuses on tricks and tips for going beyond the simplest constraints, including
- Individual value constraints
- Record-level (per-row…
I should have done this a couple of days ago.
Here are Edinburgh’s climate stripes, in graph form
https://showyourstripes.info/c/europe/unitedkingdom/edinburgh
#climatestripes #climate #sustainability
Chapter 5 of my book, Test-Driven Data Analysis, is now freely available online at:
https://book.tdda.info/book/chapter5.html.
The chapter is called Constraint Discovery and Validation, and is concerned with automatic generation of constra…
My tutorial on Test-Driven Data Analysis (TDDA) from #PyDataLondon2026 is up:
https://youtu.be/EH0WpGFAV_g
There are a few details at
https://www.tdda.info/pydata-london-2026-tdda-tutorial
and the slides are at
https://stochasticsolutions.…
Is it bad that Elon Musk has a trillion dollars? Yes, and here’s why
— Ingrid Robeyns (@ingridrobeyns) The Guardian
https://www.theguardian.com/commentisfree/2026/jun/17/is-it-bad-that-elon-musk-has-a-trillion-dollars-yes-and-heres-why
Als…
🐘 Community & instance
Home server
mathstodon.xyz
Their home server on the fediverse — the instance a creator picks signals the community they belong to.
✅ Link-verified
Verified link
Proved ownership of a website linked on their profile — Mastodon's green-check verification, a real identity signal rather than a paid badge.
On Mastodon since
Aug 2024
An established account with real history on the platform.
💡 Facts
🗓️Joined Mastodon in 2024 — 2 years ago.
👁️Averages 2 views per post.
📤Posts about 1.8× per week.
🕵️ Fake follower check
Estimated47/100
Fair
Credibility score
71%
Mixed
Real audience
Medium
Fake-follower risk
High
Data confidence
- Est. 71% real, active audience · Medium fake-follower risk.
- Low engagement (~1.0% of followers engage each post) — a sign of an inflated or inactive audience.
- Verified account.
Heuristic estimate from engagement, follower ratios, account age & growth — a screening signal, not a guarantee.
💚 Brand affinity
EstimatedBrands Nick Radcliffe's audience is most likely to respond to — from detected sponsorships in this niche.
About
Stochastic Solutions Limited
Test-Driven Data Analysis.
Jazz • Maths • Whisky
100% inheritance tax
Born at 320 ppm CO₂.
📸 Gallery
🔀 Audience overlap
EstimatedEstimated shared audience with similar creators — useful for avoiding overlap (or doubling down) when planning a campaign.
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