A quick lookup one-pager for common DATE functions in SQL
An analysis to find the right threshold of the most impactful frequency of user communication
A framework of product experimentation - the procedure and analysis.

February 2023

My favorite blogs and newsletters to read about data and product analysis, data science, and data engineering.
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How to apply CASE conditional expressions to specify a result when there are multiple conditions.
Using machine learning to solve common challenges in product and data analytics. How to figure out which model to use for which business case.
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A practical guide on how to locate and measure a tricky product persona of adjacent users in SQL, and challenges of getting such analysis in product…

January 2023

A roundup of the most popular not-to-miss conferences, events, and workshops around data and ML this year.
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Should you invest in influence marketing to grow your product? What is the expected ROI? Here’s some math behind.
How to get the frequency of usage and create a user activity histogram for user engagement analysis in SQL.
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Introduction and must-know statistical concepts for data analysis and data science

December 2022

A recap of 2022 and its best publications, a little gratitude, a lot of confetti, and what’s coming next
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