Data Analysis Journal

November Recap: Before You Trust That Lift

Your monthly recap of the latest trends, market shifts, and updates in data science and analytics

Dec 3 • 

Olga Berezovsky

6

November 2025

Churn: Why Most Teams Get It Wrong - Issue 292

How to build accurate churn reporting for your product, plans, and revenue model.

Nov 26 • 

Olga Berezovsky

13

Structuring Data & Analytics Teams for Real Impact - Issue 291

How org structure shapes analytics insight, governance, and the quality of every decision.

Nov 19 • 

Olga Berezovsky

6

10 Must-Know Concepts Every Analyst Should Know - Issue 290

From academia to industry - the core analytical principles we rely on every day.

Nov 12 • 

Olga Berezovsky

26

1

October Recap: A Reality Check for Analytics

Your monthly recap of the latest trends, market shifts, and updates in data science and analytics

Nov 5 • 

Olga Berezovsky

19

5

October 2025

10 Experiments Every Data Team Should Run - Issue 288

Top must-try experiments every data scientist should know - lessons from StatSig Summit.

Oct 29 • 

Olga Berezovsky

14

1

Reinventing How Analysts Work | Barry McCardel

How AI is reshaping how teams explore and communicate with data.

Oct 22 • 

Olga Berezovsky

 and 

barry

20

2

1

How Notion Scaled Experimentation - Issue 286

How the team grew and scaled A/B testing without losing rigor - lessons from StatSig Summit.

Oct 15 • 

Olga Berezovsky

6

When Simple Becomes Tricky: Should Discounts Be Included in MRR? - Issue 285

So many ways to screw up your reporting.

Oct 8 • 

Olga Berezovsky

8

1

September Recap: When AI Meets Analytics (and Doesn’t Break It)

Your monthly recap of the latest trends, market shifts, and updates in data science and analytics

Oct 1 • 

Olga Berezovsky

15

3

1

September 2025

A New Chapter for Mixpanel: My Conversation with CEO Jen Taylor

She shares her values, strategy, and how AI can turn analytics from reactive to proactive.

Sep 24 • 

Olga Berezovsky

7

Why Grace Periods Keep Screwing Up My Reports (and Probably Yours Too) - Issue 282

Everything you need to know about grace periods and billing retries in one place.

Sep 17 • 

Olga Berezovsky

6

1