Data Analysis Journal

dataanalysis.substack.com

Data Analysis Journal, “Olga Berezovsky”, is a tech site on dataanalysis.substack.com, in English, funded by its readers through Substack; no supporter count is published.

A Substack newsletter by Olga Berezovsky on product, data science, and analytics, where the three intersect.

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Latest posts

The Analyst's New Competitive Advantage - Issue 3392026-10-28
The New Reality of Getting Hired in Data Analytics - Issue 3382026-10-21
What Should Be Your Source of Truth for Analytics? - Issue 3372026-10-14
Everything you need to know about analytics on Stripe - Issue 3362026-10-07
If nobody opens the dashboard, what do you even do? - Issue 3352026-09-30
Your A/B Test Was Significant. Now Prove It - Issue 3342026-09-23
How to Scale Analytics Across 10-100 Apps - Issue 3332026-09-16
A 10% Conversion Lift Sounds Great. Does It Pay Off? - Issue 3322026-09-09

From the site's feed, read 2026-10-29.

Pages

21 pages indexed; the pages that lead the site by its internal links:

When AI Builds the Data Models, What Happens to Analytics Engineering? - Issue 326

https://dataanalysis.substack.com/p/when-ai-builds-the-data-models

Self-Service Analytics Is Not Self-Service. But Don’t Tell Anyone - Issue 329

https://dataanalysis.substack.com/p/self-service-analytics-is-not

The Model Is Smart. Your Company Is the Problem - Issue 322

https://dataanalysis.substack.com/p/the-model-is-smart-your-company-is-problem

The Analyst's New Competitive Advantage - Issue 339

https://dataanalysis.substack.com/p/the-analysts-new-competitive-advantage

Metrics Mislead. Hiring Collapses. AI Falls Short - Welcome to Analytics in 2026

https://dataanalysis.substack.com/p/metrics-mislead-hiring-collapses

Everything you need to know about analytics on Stripe - Issue 336

https://dataanalysis.substack.com/p/everything-you-need-to-know-about-stripe

If nobody opens the dashboard, what do you even do? - Issue 335

https://dataanalysis.substack.com/p/if-nobody-opens-the-dashboard

The Guardrails AI Needs for SaaS and Subscription Reporting - Issue 325

https://dataanalysis.substack.com/p/the-guardrails-ai-needs-for-saas

How to Measure AI Model Performance and Product Impact - Issue 327

https://dataanalysis.substack.com/p/how-to-measure-ai-model-performance

A 10% Conversion Lift Sounds Great. Does It Pay Off? - Issue 332

https://dataanalysis.substack.com/p/a-10-conversion-lift-sounds-great

How Much Is an A/B Test Worth? - Issue 323

https://dataanalysis.substack.com/p/how-much-is-an-ab-test-worth

What Should Be Your Source of Truth for Analytics? - Issue 337

https://dataanalysis.substack.com/p/what-should-be-your-source-of-truth

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