Senior Data Science Lead
Jose Parreño GarciaI write about Data Science, Machine Learning and leading data teams. I have built teams from scratch and lead 50+ data scientists @Skyscanner. Now, I share my experience with you.
| Platform |  | Pricing | Freemium | Publishes | Weekly |
|---|---|---|---|---|---|
| Issues | 96 | Founded | 2 years ago | Last Issue | 6 days ago |
| Active | |||||
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joseparreogarcia.substack.comLatest Issues
Sonnet 5 is only good at one thing (beating Sonnet 4.6)
On the 30th of June, Anthropic released Sonnet 5 and what it should have been a launch to get people excited, seems to have transformed in quite the opposite. When I myself read that “Sonnet 5 narrows the gap: its performance is close to th...
Module 8 - How to balance dominant bar chart categories
Welcome to the eighth post in my “Master Data Storytelling” series! If you want the full overview of the course, the main course website has everything you need!
A short summary on why am I writing this series
Over the past decade, across...
🚀 August on Sr Data Science Lead: What’s coming up.
🗓 August release schedule
August comes packed with a few relevant Data Science topics!
- The data visualisation series continues with blog number 8 of the course. This time, the focus is on how to balance dominant bar chart categor...
Anthropic is telling you that Agentic Analytics is not just text-to-SQL
Anthropic's Agentic Analytics suite using Claude achieves 95% accuracy and they share how in their latest post. Trustworthy analytics is all about semantic layers, skills, evals, and data engineering.
Anthropic's June 3, 2026 post on self-...
Module 7 - Cropping the y-axis (when it helps… and when it lies)
A chapter in the Master Data Storytelling course on spotting when a y-axis hides the signal, exaggerates noise or needs a different chart entirely.
Welcome to the seventh post in my “Master Data Storytelling” series! If you want the full o...
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The writers behind this newsletter.
I write about Data Science, Machine Learning and leading data teams. I have built teams from scratch and lead 50+ data scientists @Skyscanner. Now, I share my experience with you.
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