Data Analysis Journal

Data Analysis Journal

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User Segmentation and Power User Analysis in SQL
What are user segmentation techniques? How to locate your Power users? How to do user segmentation analysis in SQL?
 • 
Olga Berezovsky
October Recap: A Reality Check for Analytics
Your monthly recap of the latest trends, market shifts, and updates in data science and analytics
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Olga Berezovsky
10 Experiments Every Data Team Should Run - Issue 288
Top must-try experiments every data scientist should know - lessons from StatSig Summit.
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Olga Berezovsky
Reinventing How Analysts Work | Barry McCardel
How AI is reshaping how teams explore and communicate with data.
 • 
Olga Berezovsky
 and 
barry
How Notion Scaled Experimentation - Issue 286
How the team grew and scaled A/B testing without losing rigor - lessons from StatSig Summit.
 • 
Olga Berezovsky
When Simple Becomes Tricky: Should Discounts Be Included in MRR? - Issue 285
So many ways to screw up your reporting.
 • 
Olga Berezovsky
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
 • 
Olga Berezovsky
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.
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Olga Berezovsky
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.
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Olga Berezovsky
From Numbers to Narratives | Chris Dalla Riva
Interviewing Chris Dalla Riva: Numbers, stories, and the craft of data journalism
 • 
Olga Berezovsky
 and 
Chris Dalla Riva
Data Analysis Journal
Data Analysis Journal
Where product, data science, and analytics intersect.
Recommendations
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SeattleDataGuy’s Newsletter
SeattleDataGuy’s Newsletter
SeattleDataGuy
Semitechnicals
Semitechnicals
Arpit Choudhury
Data Storyteller | Analytics Unfiltered
Data Storyteller | Analytics Unfiltered
Maggie @DataStoryteller
The Founders Corner®
The Founders Corner®
Ruben Dominguez
Stat Significant
Stat Significant
Daniel Parris
Checklists
A/B Test Checklist
A short guide to product experimentation steps and must-know terminology.
SQL Date-Time Cheatsheet
A short guide to steps, solution, and must-know terminology
Python Pandas DateTime Reference Guide
A short guide to solutions and tips for handling DateTime cases in Python Pandas
Subscription Growth Metrics Checklist
A short guide to steps and must-know terminology
Tutorials
A Selection Of SQL Tutorials
A roundup of free SQL tutorials and articles to either get started with or to keep your querying skills strong.
A Selection Of Python Tutorials for Analysts
A roundup of my favorite tutorials for data analysts to either get started with or upkeep existing Python skills

Data Analysis Journal

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