Data Analysis Journal
Olga Berezovsky, Tristan Handy, Kuber JainWhere product, data science, and analytics intersect.
| Platform |  | Pricing | Freemium | Publishes | Weekly |
|---|---|---|---|---|---|
| Issues | 354 | Founded | 6 years ago | Last Issue | 5 days ago |
| Active | |||||
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dataanalysis.substack.comLatest Issues
How to Scale Analytics Across 10-100 Apps - Issue 333
How to keep metrics accurate, consistent, and meaningful as your app portfolio grows.
Hello from dbt Summit in Las Vegas! If you’re around and open to grabbing a coffee and talking about what you are building, fixing, or figuring out, plea...
A 10% Conversion Lift Sounds Great. Does It Pay Off? - Issue 332
My methodology for estimating incremental subscription revenue, accounting for uncertainty, and deciding which initiatives deserve the investment.
Today, I’m taking you behind the scenes of my daily work to talk about something I’ve spent...
Metrics Mislead. Hiring Collapses. AI Falls Short - Welcome to Analytics in 2026
Welcome to the Data Analysis Journal - a weekly newsletter on data science and analytics.
If you missed the August posts, here’s the roundup:
- How to Measure AI Model Performance and Product Impact - My lessons from testing AI models...
15 Calculators Every Analyst Should Bookmark - Issue 330
My go-to tools for checking AI, validating intuition, statistical checks, and making better product and business decisions.
Reminder: dbt Summit is coming to Las Vegas on Sep 15–18 - a must-attend event for anyone working with data. Use co...
Self-Service Analytics Is Not Self-Service. But Don’t Tell Anyone - Issue 329
Welcome to the Data Analysis Journal, a weekly newsletter about data science and analytics.
Subscribe now
A quick note: I have a 20% discount for my readers for the upcoming dbt Summit in Las Vegas on Sep 15–18! If you work with dbt, anal...
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| Subscribers | Engagement | 74 | Monthly Web Visits | ||
|---|---|---|---|---|---|
| Accepts Sponsors | Estimated Cost per Ad | ||||
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Authors
The writers behind this newsletter.
Medieval Analyst obsessed with data and analysis, writing about things people make her do at work.
Hi! My name is Tristan. I’m a long-time data analyst and startup executive. Most recently, I’m the founder of dbt Labs, co-creator of dbt, and pioneer of the analytics engineering workflow.
Kuber is a Senior Data Scientist at Headspace leading engagement & retention. 10+ years in data & analytics at Asana, DocuSign, and Optimizely. Passionate about solving complex business challenges through data-driven solutions.
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